Home / 747,013,659.20-1,120,688,450.40-229,467,982.40

Finding the Fourth Proportional to 747,013,659.20, 1,120,688,450.40 and 229,467,982.40

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Solution

The fourth proportional to 747,013,659.20, 1,120,688,450.40 and 229,467,982.40 is: 344,253,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,013,659.20 : 1,120,688,450.40 = 229,467,982.40 : x
  2. Step 2: Convert to fraction form
    747,013,659.20/1,120,688,450.40 = 229,467,982.40/x
  3. Step 3: Cross multiply
    747,013,659.20x = 1,120,688,450.40 × 229,467,982.40
  4. Step 4: Simplify right side
    747,013,659.20x = 257,162,117,612,270,496
  5. Step 5: Solve for x
    x = 257,162,117,612,270,496/747,013,659.20
  6. Step 6: Final answer
    x = 344,253,568.12

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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.