Home / 932,543,818.28-1,287,023,319.66-530,755,261.32

Finding the Fourth Proportional to 932,543,818.28, 1,287,023,319.66 and 530,755,261.32

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Solution

The fourth proportional to 932,543,818.28, 1,287,023,319.66 and 530,755,261.32 is: 732,506,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,543,818.28 : 1,287,023,319.66 = 530,755,261.32 : x
  2. Step 2: Convert to fraction form
    932,543,818.28/1,287,023,319.66 = 530,755,261.32/x
  3. Step 3: Cross multiply
    932,543,818.28x = 1,287,023,319.66 × 530,755,261.32
  4. Step 4: Simplify right side
    932,543,818.28x = 683,094,398,351,077,248
  5. Step 5: Solve for x
    x = 683,094,398,351,077,248/932,543,818.28
  6. Step 6: Final answer
    x = 732,506,489.20

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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.