Home / 3,361,103,699.80-5,038,254,327.30-1,980,207,405.40

Finding the Fourth Proportional to 3,361,103,699.80, 5,038,254,327.30 and 1,980,207,405.40

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Solution

The fourth proportional to 3,361,103,699.80, 5,038,254,327.30 and 1,980,207,405.40 is: 2,968,307,264.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361,103,699.80 : 5,038,254,327.30 = 1,980,207,405.40 : x
  2. Step 2: Convert to fraction form
    3,361,103,699.80/5,038,254,327.30 = 1,980,207,405.40/x
  3. Step 3: Cross multiply
    3,361,103,699.80x = 5,038,254,327.30 × 1,980,207,405.40
  4. Step 4: Simplify right side
    3,361,103,699.80x = 9,976,788,529,208,055,808
  5. Step 5: Solve for x
    x = 9,976,788,529,208,055,808/3,361,103,699.80
  6. Step 6: Final answer
    x = 2,968,307,264.61

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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.