Home / 1,133,786,723.20-1,700,680,108.80-272,143,715.20

Finding the Fourth Proportional to 1,133,786,723.20, 1,700,680,108.80 and 272,143,715.20

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Solution

The fourth proportional to 1,133,786,723.20, 1,700,680,108.80 and 272,143,715.20 is: 408,215,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,786,723.20 : 1,700,680,108.80 = 272,143,715.20 : x
  2. Step 2: Convert to fraction form
    1,133,786,723.20/1,700,680,108.80 = 272,143,715.20/x
  3. Step 3: Cross multiply
    1,133,786,723.20x = 1,700,680,108.80 × 272,143,715.20
  4. Step 4: Simplify right side
    1,133,786,723.20x = 462,829,403,175,572,160
  5. Step 5: Solve for x
    x = 462,829,403,175,572,160/1,133,786,723.20
  6. Step 6: Final answer
    x = 408,215,578.56

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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.