Home / 31,369,729,867.82-47,049,997,966.64-15,429,787,719.60

Finding the Fourth Proportional to 31,369,729,867.82, 47,049,997,966.64 and 15,429,787,719.60

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Solution

The fourth proportional to 31,369,729,867.82, 47,049,997,966.64 and 15,429,787,719.60 is: 23,142,420,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369,729,867.82 : 47,049,997,966.64 = 15,429,787,719.60 : x
  2. Step 2: Convert to fraction form
    31,369,729,867.82/47,049,997,966.64 = 15,429,787,719.60/x
  3. Step 3: Cross multiply
    31,369,729,867.82x = 47,049,997,966.64 × 15,429,787,719.60
  4. Step 4: Simplify right side
    31,369,729,867.82x = 725,971,480,832,818,937,856
  5. Step 5: Solve for x
    x = 725,971,480,832,818,937,856/31,369,729,867.82
  6. Step 6: Final answer
    x = 23,142,420,540.18

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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.