Home / 1,322,945,776.38-1,984,418,663.89-493,964,158.11

Finding the Fourth Proportional to 1,322,945,776.38, 1,984,418,663.89 and 493,964,158.11

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Solution

The fourth proportional to 1,322,945,776.38, 1,984,418,663.89 and 493,964,158.11 is: 740,946,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,945,776.38 : 1,984,418,663.89 = 493,964,158.11 : x
  2. Step 2: Convert to fraction form
    1,322,945,776.38/1,984,418,663.89 = 493,964,158.11/x
  3. Step 3: Cross multiply
    1,322,945,776.38x = 1,984,418,663.89 × 493,964,158.11
  4. Step 4: Simplify right side
    1,322,945,776.38x = 980,231,694,651,808,768
  5. Step 5: Solve for x
    x = 980,231,694,651,808,768/1,322,945,776.38
  6. Step 6: Final answer
    x = 740,946,236.92

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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.