Home / 1,023,368,251.49-1,412,248,189.28-553,469,572.38

Finding the Fourth Proportional to 1,023,368,251.49, 1,412,248,189.28 and 553,469,572.38

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Solution

The fourth proportional to 1,023,368,251.49, 1,412,248,189.28 and 553,469,572.38 is: 763,788,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,368,251.49 : 1,412,248,189.28 = 553,469,572.38 : x
  2. Step 2: Convert to fraction form
    1,023,368,251.49/1,412,248,189.28 = 553,469,572.38/x
  3. Step 3: Cross multiply
    1,023,368,251.49x = 1,412,248,189.28 × 553,469,572.38
  4. Step 4: Simplify right side
    1,023,368,251.49x = 781,636,401,420,858,880
  5. Step 5: Solve for x
    x = 781,636,401,420,858,880/1,023,368,251.49
  6. Step 6: Final answer
    x = 763,788,011.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.