Home / 42,052,608,005.20-63,078,912,007.80-21,413,486,597.20

Finding the Fourth Proportional to 42,052,608,005.20, 63,078,912,007.80 and 21,413,486,597.20

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Solution

The fourth proportional to 42,052,608,005.20, 63,078,912,007.80 and 21,413,486,597.20 is: 32,120,229,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,052,608,005.20 : 63,078,912,007.80 = 21,413,486,597.20 : x
  2. Step 2: Convert to fraction form
    42,052,608,005.20/63,078,912,007.80 = 21,413,486,597.20/x
  3. Step 3: Cross multiply
    42,052,608,005.20x = 63,078,912,007.80 × 21,413,486,597.20
  4. Step 4: Simplify right side
    42,052,608,005.20x = 1,350,739,436,844,983,517,184
  5. Step 5: Solve for x
    x = 1,350,739,436,844,983,517,184/42,052,608,005.20
  6. Step 6: Final answer
    x = 32,120,229,895.80

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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.