Home / 671,434,732.20-1,007,152,098.30-398,665,093.80

Finding the Fourth Proportional to 671,434,732.20, 1,007,152,098.30 and 398,665,093.80

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Solution

The fourth proportional to 671,434,732.20, 1,007,152,098.30 and 398,665,093.80 is: 597,997,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,434,732.20 : 1,007,152,098.30 = 398,665,093.80 : x
  2. Step 2: Convert to fraction form
    671,434,732.20/1,007,152,098.30 = 398,665,093.80/x
  3. Step 3: Cross multiply
    671,434,732.20x = 1,007,152,098.30 × 398,665,093.80
  4. Step 4: Simplify right side
    671,434,732.20x = 401,516,385,739,636,288
  5. Step 5: Solve for x
    x = 401,516,385,739,636,288/671,434,732.20
  6. Step 6: Final answer
    x = 597,997,640.70

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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.