Home / 25,909,730,042.80-38,878,935,997.68-12,645,098,200.80

Finding the Fourth Proportional to 25,909,730,042.80, 38,878,935,997.68 and 12,645,098,200.80

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Solution

The fourth proportional to 25,909,730,042.80, 38,878,935,997.68 and 12,645,098,200.80 is: 18,974,646,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909,730,042.80 : 38,878,935,997.68 = 12,645,098,200.80 : x
  2. Step 2: Convert to fraction form
    25,909,730,042.80/38,878,935,997.68 = 12,645,098,200.80/x
  3. Step 3: Cross multiply
    25,909,730,042.80x = 38,878,935,997.68 × 12,645,098,200.80
  4. Step 4: Simplify right side
    25,909,730,042.80x = 491,627,963,633,281,662,976
  5. Step 5: Solve for x
    x = 491,627,963,633,281,662,976/25,909,730,042.80
  6. Step 6: Final answer
    x = 18,974,646,313.23

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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.