Home / 754,956,092.80-1,132,434,139.20-209,702,972.80

Finding the Fourth Proportional to 754,956,092.80, 1,132,434,139.20 and 209,702,972.80

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Solution

The fourth proportional to 754,956,092.80, 1,132,434,139.20 and 209,702,972.80 is: 314,554,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,956,092.80 : 1,132,434,139.20 = 209,702,972.80 : x
  2. Step 2: Convert to fraction form
    754,956,092.80/1,132,434,139.20 = 209,702,972.80/x
  3. Step 3: Cross multiply
    754,956,092.80x = 1,132,434,139.20 × 209,702,972.80
  4. Step 4: Simplify right side
    754,956,092.80x = 237,474,805,490,449,024
  5. Step 5: Solve for x
    x = 237,474,805,490,449,024/754,956,092.80
  6. Step 6: Final answer
    x = 314,554,459.20

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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.