Home / 932,543,769.39-1,287,023,252.36-530,755,212.54

Finding the Fourth Proportional to 932,543,769.39, 1,287,023,252.36 and 530,755,212.54

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Solution

The fourth proportional to 932,543,769.39, 1,287,023,252.36 and 530,755,212.54 is: 732,506,421.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,543,769.39 : 1,287,023,252.36 = 530,755,212.54 : x
  2. Step 2: Convert to fraction form
    932,543,769.39/1,287,023,252.36 = 530,755,212.54/x
  3. Step 3: Cross multiply
    932,543,769.39x = 1,287,023,252.36 × 530,755,212.54
  4. Step 4: Simplify right side
    932,543,769.39x = 683,094,299,845,180,416
  5. Step 5: Solve for x
    x = 683,094,299,845,180,416/932,543,769.39
  6. Step 6: Final answer
    x = 732,506,421.97

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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.