Home / 932,543,772.39-1,287,023,256.51-530,755,215.54

Finding the Fourth Proportional to 932,543,772.39, 1,287,023,256.51 and 530,755,215.54

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Solution

The fourth proportional to 932,543,772.39, 1,287,023,256.51 and 530,755,215.54 is: 732,506,426.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,543,772.39 : 1,287,023,256.51 = 530,755,215.54 : x
  2. Step 2: Convert to fraction form
    932,543,772.39/1,287,023,256.51 = 530,755,215.54/x
  3. Step 3: Cross multiply
    932,543,772.39x = 1,287,023,256.51 × 530,755,215.54
  4. Step 4: Simplify right side
    932,543,772.39x = 683,094,305,913,957,760
  5. Step 5: Solve for x
    x = 683,094,305,913,957,760/932,543,772.39
  6. Step 6: Final answer
    x = 732,506,426.12

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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.