Home / 891,728,490.20-1,337,114,438.40-373,573,515.20

Finding the Fourth Proportional to 891,728,490.20, 1,337,114,438.40 and 373,573,515.20

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Solution

The fourth proportional to 891,728,490.20, 1,337,114,438.40 and 373,573,515.20 is: 560,159,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,728,490.20 : 1,337,114,438.40 = 373,573,515.20 : x
  2. Step 2: Convert to fraction form
    891,728,490.20/1,337,114,438.40 = 373,573,515.20/x
  3. Step 3: Cross multiply
    891,728,490.20x = 1,337,114,438.40 × 373,573,515.20
  4. Step 4: Simplify right side
    891,728,490.20x = 499,510,540,977,761,856
  5. Step 5: Solve for x
    x = 499,510,540,977,761,856/891,728,490.20
  6. Step 6: Final answer
    x = 560,159,898.97

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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.