Home / 52,680,293,635.78-79,035,963,345.51-21,221,754,691.78

Finding the Fourth Proportional to 52,680,293,635.78, 79,035,963,345.51 and 21,221,754,691.78

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Solution

The fourth proportional to 52,680,293,635.78, 79,035,963,345.51 and 21,221,754,691.78 is: 31,838,885,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,680,293,635.78 : 79,035,963,345.51 = 21,221,754,691.78 : x
  2. Step 2: Convert to fraction form
    52,680,293,635.78/79,035,963,345.51 = 21,221,754,691.78/x
  3. Step 3: Cross multiply
    52,680,293,635.78x = 79,035,963,345.51 × 21,221,754,691.78
  4. Step 4: Simplify right side
    52,680,293,635.78x = 1,677,281,825,946,928,676,864
  5. Step 5: Solve for x
    x = 1,677,281,825,946,928,676,864/52,680,293,635.78
  6. Step 6: Final answer
    x = 31,838,885,286.85

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1.5x scale

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.