Home / 494,681,402.40-742,754,311.20-276,766,972.80

Finding the Fourth Proportional to 494,681,402.40, 742,754,311.20 and 276,766,972.80

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Solution

The fourth proportional to 494,681,402.40, 742,754,311.20 and 276,766,972.80 is: 415,560,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,681,402.40 : 742,754,311.20 = 276,766,972.80 : x
  2. Step 2: Convert to fraction form
    494,681,402.40/742,754,311.20 = 276,766,972.80/x
  3. Step 3: Cross multiply
    494,681,402.40x = 742,754,311.20 × 276,766,972.80
  4. Step 4: Simplify right side
    494,681,402.40x = 205,569,862,244,973,152
  5. Step 5: Solve for x
    x = 205,569,862,244,973,152/494,681,402.40
  6. Step 6: Final answer
    x = 415,560,118.59

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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.