Home / 754,956,084.80-1,132,434,127.20-209,702,964.80

Finding the Fourth Proportional to 754,956,084.80, 1,132,434,127.20 and 209,702,964.80

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Solution

The fourth proportional to 754,956,084.80, 1,132,434,127.20 and 209,702,964.80 is: 314,554,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,956,084.80 : 1,132,434,127.20 = 209,702,964.80 : x
  2. Step 2: Convert to fraction form
    754,956,084.80/1,132,434,127.20 = 209,702,964.80/x
  3. Step 3: Cross multiply
    754,956,084.80x = 1,132,434,127.20 × 209,702,964.80
  4. Step 4: Simplify right side
    754,956,084.80x = 237,474,793,914,540,352
  5. Step 5: Solve for x
    x = 237,474,793,914,540,352/754,956,084.80
  6. Step 6: Final answer
    x = 314,554,447.20

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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.