Home / 21,136,046,538.80-31,704,069,808.20-6,414,044,337.20

Finding the Fourth Proportional to 21,136,046,538.80, 31,704,069,808.20 and 6,414,044,337.20

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Solution

The fourth proportional to 21,136,046,538.80, 31,704,069,808.20 and 6,414,044,337.20 is: 9,621,066,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,136,046,538.80 : 31,704,069,808.20 = 6,414,044,337.20 : x
  2. Step 2: Convert to fraction form
    21,136,046,538.80/31,704,069,808.20 = 6,414,044,337.20/x
  3. Step 3: Cross multiply
    21,136,046,538.80x = 31,704,069,808.20 × 6,414,044,337.20
  4. Step 4: Simplify right side
    21,136,046,538.80x = 203,351,309,419,478,712,320
  5. Step 5: Solve for x
    x = 203,351,309,419,478,712,320/21,136,046,538.80
  6. Step 6: Final answer
    x = 9,621,066,505.80

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Double scale
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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.