Home / 932,496,502.20-1,398,366,839.70-318,764,815.80

Finding the Fourth Proportional to 932,496,502.20, 1,398,366,839.70 and 318,764,815.80

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Solution

The fourth proportional to 932,496,502.20, 1,398,366,839.70 and 318,764,815.80 is: 478,018,037.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,496,502.20 : 1,398,366,839.70 = 318,764,815.80 : x
  2. Step 2: Convert to fraction form
    932,496,502.20/1,398,366,839.70 = 318,764,815.80/x
  3. Step 3: Cross multiply
    932,496,502.20x = 1,398,366,839.70 × 318,764,815.80
  4. Step 4: Simplify right side
    932,496,502.20x = 445,750,148,077,798,656
  5. Step 5: Solve for x
    x = 445,750,148,077,798,656/932,496,502.20
  6. Step 6: Final answer
    x = 478,018,037.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.