Home / 891,653,485.20-1,337,480,227.80-309,194,149.20

Finding the Fourth Proportional to 891,653,485.20, 1,337,480,227.80 and 309,194,149.20

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Solution

The fourth proportional to 891,653,485.20, 1,337,480,227.80 and 309,194,149.20 is: 463,791,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,653,485.20 : 1,337,480,227.80 = 309,194,149.20 : x
  2. Step 2: Convert to fraction form
    891,653,485.20/1,337,480,227.80 = 309,194,149.20/x
  3. Step 3: Cross multiply
    891,653,485.20x = 1,337,480,227.80 × 309,194,149.20
  4. Step 4: Simplify right side
    891,653,485.20x = 413,541,061,106,443,136
  5. Step 5: Solve for x
    x = 413,541,061,106,443,136/891,653,485.20
  6. Step 6: Final answer
    x = 463,791,223.80

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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.