Home / 15,251,603,177.28-21,046,675,569.89-8,384,949,811.74

Finding the Fourth Proportional to 15,251,603,177.28, 21,046,675,569.89 and 8,384,949,811.74

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Solution

The fourth proportional to 15,251,603,177.28, 21,046,675,569.89 and 8,384,949,811.74 is: 11,570,935,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251,603,177.28 : 21,046,675,569.89 = 8,384,949,811.74 : x
  2. Step 2: Convert to fraction form
    15,251,603,177.28/21,046,675,569.89 = 8,384,949,811.74/x
  3. Step 3: Cross multiply
    15,251,603,177.28x = 21,046,675,569.89 × 8,384,949,811.74
  4. Step 4: Simplify right side
    15,251,603,177.28x = 176,475,318,357,460,058,112
  5. Step 5: Solve for x
    x = 176,475,318,357,460,058,112/15,251,603,177.28
  6. Step 6: Final answer
    x = 11,570,935,612.88

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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.