Home / 932,543,893.64-1,287,023,420.90-530,755,331.50

Finding the Fourth Proportional to 932,543,893.64, 1,287,023,420.90 and 530,755,331.50

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Solution

The fourth proportional to 932,543,893.64, 1,287,023,420.90 and 530,755,331.50 is: 732,506,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,543,893.64 : 1,287,023,420.90 = 530,755,331.50 : x
  2. Step 2: Convert to fraction form
    932,543,893.64/1,287,023,420.90 = 530,755,331.50/x
  3. Step 3: Cross multiply
    932,543,893.64x = 1,287,023,420.90 × 530,755,331.50
  4. Step 4: Simplify right side
    932,543,893.64x = 683,094,542,398,954,624
  5. Step 5: Solve for x
    x = 683,094,542,398,954,624/932,543,893.64
  6. Step 6: Final answer
    x = 732,506,584.47

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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.