Home / 25,909,730,043.80-38,878,935,999.18-12,645,098,201.80

Finding the Fourth Proportional to 25,909,730,043.80, 38,878,935,999.18 and 12,645,098,201.80

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Solution

The fourth proportional to 25,909,730,043.80, 38,878,935,999.18 and 12,645,098,201.80 is: 18,974,646,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909,730,043.80 : 38,878,935,999.18 = 12,645,098,201.80 : x
  2. Step 2: Convert to fraction form
    25,909,730,043.80/38,878,935,999.18 = 12,645,098,201.80/x
  3. Step 3: Cross multiply
    25,909,730,043.80x = 38,878,935,999.18 × 12,645,098,201.80
  4. Step 4: Simplify right side
    25,909,730,043.80x = 491,627,963,691,128,258,560
  5. Step 5: Solve for x
    x = 491,627,963,691,128,258,560/25,909,730,043.80
  6. Step 6: Final answer
    x = 18,974,646,314.73

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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.