Home / 932,543,989.29-1,287,023,556.33-530,755,432.56

Finding the Fourth Proportional to 932,543,989.29, 1,287,023,556.33 and 530,755,432.56

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Solution

The fourth proportional to 932,543,989.29, 1,287,023,556.33 and 530,755,432.56 is: 732,506,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,543,989.29 : 1,287,023,556.33 = 530,755,432.56 : x
  2. Step 2: Convert to fraction form
    932,543,989.29/1,287,023,556.33 = 530,755,432.56/x
  3. Step 3: Cross multiply
    932,543,989.29x = 1,287,023,556.33 × 530,755,432.56
  4. Step 4: Simplify right side
    932,543,989.29x = 683,094,744,354,838,656
  5. Step 5: Solve for x
    x = 683,094,744,354,838,656/932,543,989.29
  6. Step 6: Final answer
    x = 732,506,725.90

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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.