Home / 530,915,509.60-732,707,038-292,807,275.76

Finding the Fourth Proportional to 530,915,509.60, 732,707,038 and 292,807,275.76

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Solution

The fourth proportional to 530,915,509.60, 732,707,038 and 292,807,275.76 is: 404,098,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,915,509.60 : 732,707,038 = 292,807,275.76 : x
  2. Step 2: Convert to fraction form
    530,915,509.60/732,707,038 = 292,807,275.76/x
  3. Step 3: Cross multiply
    530,915,509.60x = 732,707,038 × 292,807,275.76
  4. Step 4: Simplify right side
    530,915,509.60x = 214,541,951,726,958,784
  5. Step 5: Solve for x
    x = 214,541,951,726,958,784/530,915,509.60
  6. Step 6: Final answer
    x = 404,098,105.72

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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.