Home / 1,247,537,369.60-1,721,061,153.48-752,224,909.76

Finding the Fourth Proportional to 1,247,537,369.60, 1,721,061,153.48 and 752,224,909.76

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Solution

The fourth proportional to 1,247,537,369.60, 1,721,061,153.48 and 752,224,909.76 is: 1,037,744,521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,537,369.60 : 1,721,061,153.48 = 752,224,909.76 : x
  2. Step 2: Convert to fraction form
    1,247,537,369.60/1,721,061,153.48 = 752,224,909.76/x
  3. Step 3: Cross multiply
    1,247,537,369.60x = 1,721,061,153.48 × 752,224,909.76
  4. Step 4: Simplify right side
    1,247,537,369.60x = 1,294,625,070,867,934,464
  5. Step 5: Solve for x
    x = 1,294,625,070,867,934,464/1,247,537,369.60
  6. Step 6: Final answer
    x = 1,037,744,521.66

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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.