Home / 1,490,553,882.28-2,056,972,790.10-864,394,087.24

Finding the Fourth Proportional to 1,490,553,882.28, 2,056,972,790.10 and 864,394,087.24

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Solution

The fourth proportional to 1,490,553,882.28, 2,056,972,790.10 and 864,394,087.24 is: 1,192,868,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,553,882.28 : 2,056,972,790.10 = 864,394,087.24 : x
  2. Step 2: Convert to fraction form
    1,490,553,882.28/2,056,972,790.10 = 864,394,087.24/x
  3. Step 3: Cross multiply
    1,490,553,882.28x = 2,056,972,790.10 × 864,394,087.24
  4. Step 4: Simplify right side
    1,490,553,882.28x = 1,778,035,117,376,005,632
  5. Step 5: Solve for x
    x = 1,778,035,117,376,005,632/1,490,553,882.28
  6. Step 6: Final answer
    x = 1,192,868,730.55

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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.