Home / 753,838,516.20-1,129,917,966.30-293,623,732.20

Finding the Fourth Proportional to 753,838,516.20, 1,129,917,966.30 and 293,623,732.20

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Solution

The fourth proportional to 753,838,516.20, 1,129,917,966.30 and 293,623,732.20 is: 440,108,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,838,516.20 : 1,129,917,966.30 = 293,623,732.20 : x
  2. Step 2: Convert to fraction form
    753,838,516.20/1,129,917,966.30 = 293,623,732.20/x
  3. Step 3: Cross multiply
    753,838,516.20x = 1,129,917,966.30 × 293,623,732.20
  4. Step 4: Simplify right side
    753,838,516.20x = 331,770,730,344,839,808
  5. Step 5: Solve for x
    x = 331,770,730,344,839,808/753,838,516.20
  6. Step 6: Final answer
    x = 440,108,489.04

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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.