Home / 28,365,877,726.72-42,548,816,593.01-9,479,165,396.97

Finding the Fourth Proportional to 28,365,877,726.72, 42,548,816,593.01 and 9,479,165,396.97

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Solution

The fourth proportional to 28,365,877,726.72, 42,548,816,593.01 and 9,479,165,396.97 is: 14,218,748,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365,877,726.72 : 42,548,816,593.01 = 9,479,165,396.97 : x
  2. Step 2: Convert to fraction form
    28,365,877,726.72/42,548,816,593.01 = 9,479,165,396.97/x
  3. Step 3: Cross multiply
    28,365,877,726.72x = 42,548,816,593.01 × 9,479,165,396.97
  4. Step 4: Simplify right side
    28,365,877,726.72x = 403,327,269,930,483,318,784
  5. Step 5: Solve for x
    x = 403,327,269,930,483,318,784/28,365,877,726.72
  6. Step 6: Final answer
    x = 14,218,748,096.43

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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.