Home / 1,264,005,012.80-1,896,007,519.20-446,199,982.40

Finding the Fourth Proportional to 1,264,005,012.80, 1,896,007,519.20 and 446,199,982.40

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Solution

The fourth proportional to 1,264,005,012.80, 1,896,007,519.20 and 446,199,982.40 is: 669,299,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,005,012.80 : 1,896,007,519.20 = 446,199,982.40 : x
  2. Step 2: Convert to fraction form
    1,264,005,012.80/1,896,007,519.20 = 446,199,982.40/x
  3. Step 3: Cross multiply
    1,264,005,012.80x = 1,896,007,519.20 × 446,199,982.40
  4. Step 4: Simplify right side
    1,264,005,012.80x = 845,998,521,697,307,648
  5. Step 5: Solve for x
    x = 845,998,521,697,307,648/1,264,005,012.80
  6. Step 6: Final answer
    x = 669,299,973.60

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Double scale
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Similar ratio
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1.5x scale

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.