Home / 932,496,542.70-1,398,366,900.45-318,764,856.30

Finding the Fourth Proportional to 932,496,542.70, 1,398,366,900.45 and 318,764,856.30

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Solution

The fourth proportional to 932,496,542.70, 1,398,366,900.45 and 318,764,856.30 is: 478,018,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,496,542.70 : 1,398,366,900.45 = 318,764,856.30 : x
  2. Step 2: Convert to fraction form
    932,496,542.70/1,398,366,900.45 = 318,764,856.30/x
  3. Step 3: Cross multiply
    932,496,542.70x = 1,398,366,900.45 × 318,764,856.30
  4. Step 4: Simplify right side
    932,496,542.70x = 445,750,224,076,620,672
  5. Step 5: Solve for x
    x = 445,750,224,076,620,672/932,496,542.70
  6. Step 6: Final answer
    x = 478,018,098.37

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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.