Home / 212,275,588,432.56-292,947,540,870.24-125,542,507,471.25

Finding the Fourth Proportional to 212,275,588,432.56, 292,947,540,870.24 and 125,542,507,471.25

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Solution

The fourth proportional to 212,275,588,432.56, 292,947,540,870.24 and 125,542,507,471.25 is: 173,252,935,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,275,588,432.56 : 292,947,540,870.24 = 125,542,507,471.25 : x
  2. Step 2: Convert to fraction form
    212,275,588,432.56/292,947,540,870.24 = 125,542,507,471.25/x
  3. Step 3: Cross multiply
    212,275,588,432.56x = 292,947,540,870.24 × 125,542,507,471.25
  4. Step 4: Simplify right side
    212,275,588,432.56x = 36,777,368,838,386,418,188,288
  5. Step 5: Solve for x
    x = 36,777,368,838,386,418,188,288/212,275,588,432.56
  6. Step 6: Final answer
    x = 173,252,935,535.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.