Home / 1,078,012,401,985.30-1,614,451,636,970.40-623,774,015,416.64

Finding the Fourth Proportional to 1,078,012,401,985.30, 1,614,451,636,970.40 and 623,774,015,416.64

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Solution

The fourth proportional to 1,078,012,401,985.30, 1,614,451,636,970.40 and 623,774,015,416.64 is: 934,175,690,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,012,401,985.30 : 1,614,451,636,970.40 = 623,774,015,416.64 : x
  2. Step 2: Convert to fraction form
    1,078,012,401,985.30/1,614,451,636,970.40 = 623,774,015,416.64/x
  3. Step 3: Cross multiply
    1,078,012,401,985.30x = 1,614,451,636,970.40 × 623,774,015,416.64
  4. Step 4: Simplify right side
    1,078,012,401,985.30x = 1,007,052,980,288,993,995,259,904
  5. Step 5: Solve for x
    x = 1,007,052,980,288,993,995,259,904/1,078,012,401,985.30
  6. Step 6: Final answer
    x = 934,175,690,775.33

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Double scale
Find fourth proportional to 1,078,012,401,986.30, 1,614,451,636,971.90 and 623,774,015,417.64
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.