Home / 21,559,157,497.18-29,753,247,811.68-12,406,491,933.62

Finding the Fourth Proportional to 21,559,157,497.18, 29,753,247,811.68 and 12,406,491,933.62

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Solution

The fourth proportional to 21,559,157,497.18, 29,753,247,811.68 and 12,406,491,933.62 is: 17,121,885,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,157,497.18 : 29,753,247,811.68 = 12,406,491,933.62 : x
  2. Step 2: Convert to fraction form
    21,559,157,497.18/29,753,247,811.68 = 12,406,491,933.62/x
  3. Step 3: Cross multiply
    21,559,157,497.18x = 29,753,247,811.68 × 12,406,491,933.62
  4. Step 4: Simplify right side
    21,559,157,497.18x = 369,133,428,974,664,351,744
  5. Step 5: Solve for x
    x = 369,133,428,974,664,351,744/21,559,157,497.18
  6. Step 6: Final answer
    x = 17,121,885,631.34

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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.