Home / 1,247,536,921.50-1,721,060,535.11-752,224,461.66

Finding the Fourth Proportional to 1,247,536,921.50, 1,721,060,535.11 and 752,224,461.66

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Solution

The fourth proportional to 1,247,536,921.50, 1,721,060,535.11 and 752,224,461.66 is: 1,037,743,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,536,921.50 : 1,721,060,535.11 = 752,224,461.66 : x
  2. Step 2: Convert to fraction form
    1,247,536,921.50/1,721,060,535.11 = 752,224,461.66/x
  3. Step 3: Cross multiply
    1,247,536,921.50x = 1,721,060,535.11 × 752,224,461.66
  4. Step 4: Simplify right side
    1,247,536,921.50x = 1,294,623,834,503,630,080
  5. Step 5: Solve for x
    x = 1,294,623,834,503,630,080/1,247,536,921.50
  6. Step 6: Final answer
    x = 1,037,743,903.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.