Home / 932,496,543.70-1,398,366,901.95-318,764,857.30

Finding the Fourth Proportional to 932,496,543.70, 1,398,366,901.95 and 318,764,857.30

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Solution

The fourth proportional to 932,496,543.70, 1,398,366,901.95 and 318,764,857.30 is: 478,018,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,496,543.70 : 1,398,366,901.95 = 318,764,857.30 : x
  2. Step 2: Convert to fraction form
    932,496,543.70/1,398,366,901.95 = 318,764,857.30/x
  3. Step 3: Cross multiply
    932,496,543.70x = 1,398,366,901.95 × 318,764,857.30
  4. Step 4: Simplify right side
    932,496,543.70x = 445,750,225,953,134,848
  5. Step 5: Solve for x
    x = 445,750,225,953,134,848/932,496,543.70
  6. Step 6: Final answer
    x = 478,018,099.87

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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.