Home / 15,251,603,227.98-21,046,675,639.47-8,384,949,862.62

Finding the Fourth Proportional to 15,251,603,227.98, 21,046,675,639.47 and 8,384,949,862.62

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Solution

The fourth proportional to 15,251,603,227.98, 21,046,675,639.47 and 8,384,949,862.62 is: 11,570,935,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251,603,227.98 : 21,046,675,639.47 = 8,384,949,862.62 : x
  2. Step 2: Convert to fraction form
    15,251,603,227.98/21,046,675,639.47 = 8,384,949,862.62/x
  3. Step 3: Cross multiply
    15,251,603,227.98x = 21,046,675,639.47 × 8,384,949,862.62
  4. Step 4: Simplify right side
    15,251,603,227.98x = 176,475,320,011,781,668,864
  5. Step 5: Solve for x
    x = 176,475,320,011,781,668,864/15,251,603,227.98
  6. Step 6: Final answer
    x = 11,570,935,682.88

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Double scale
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1.5x scale

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.