Home / 918,352,711.70-1,377,529,067.55-373,485,281.30

Finding the Fourth Proportional to 918,352,711.70, 1,377,529,067.55 and 373,485,281.30

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Solution

The fourth proportional to 918,352,711.70, 1,377,529,067.55 and 373,485,281.30 is: 560,227,921.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,352,711.70 : 1,377,529,067.55 = 373,485,281.30 : x
  2. Step 2: Convert to fraction form
    918,352,711.70/1,377,529,067.55 = 373,485,281.30/x
  3. Step 3: Cross multiply
    918,352,711.70x = 1,377,529,067.55 × 373,485,281.30
  4. Step 4: Simplify right side
    918,352,711.70x = 514,486,831,292,838,464
  5. Step 5: Solve for x
    x = 514,486,831,292,838,464/918,352,711.70
  6. Step 6: Final answer
    x = 560,227,921.95

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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.