Home / 20,125,098,966.40-30,187,365,014.40-9,083,597,315.20

Finding the Fourth Proportional to 20,125,098,966.40, 30,187,365,014.40 and 9,083,597,315.20

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Solution

The fourth proportional to 20,125,098,966.40, 30,187,365,014.40 and 9,083,597,315.20 is: 13,625,268,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125,098,966.40 : 30,187,365,014.40 = 9,083,597,315.20 : x
  2. Step 2: Convert to fraction form
    20,125,098,966.40/30,187,365,014.40 = 9,083,597,315.20/x
  3. Step 3: Cross multiply
    20,125,098,966.40x = 30,187,365,014.40 × 9,083,597,315.20
  4. Step 4: Simplify right side
    20,125,098,966.40x = 274,209,867,797,766,275,072
  5. Step 5: Solve for x
    x = 274,209,867,797,766,275,072/20,125,098,966.40
  6. Step 6: Final answer
    x = 13,625,268,042.44

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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.