Home / 20,187,422,771.80-30,281,134,157.70-13,575,446,426.20

Finding the Fourth Proportional to 20,187,422,771.80, 30,281,134,157.70 and 13,575,446,426.20

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Solution

The fourth proportional to 20,187,422,771.80, 30,281,134,157.70 and 13,575,446,426.20 is: 20,363,169,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,422,771.80 : 30,281,134,157.70 = 13,575,446,426.20 : x
  2. Step 2: Convert to fraction form
    20,187,422,771.80/30,281,134,157.70 = 13,575,446,426.20/x
  3. Step 3: Cross multiply
    20,187,422,771.80x = 30,281,134,157.70 × 13,575,446,426.20
  4. Step 4: Simplify right side
    20,187,422,771.80x = 411,079,914,482,431,229,952
  5. Step 5: Solve for x
    x = 411,079,914,482,431,229,952/20,187,422,771.80
  6. Step 6: Final answer
    x = 20,363,169,639.30

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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.