Home / 1,194,290,091.20-1,648,127,974.51-665,687,593.03

Finding the Fourth Proportional to 1,194,290,091.20, 1,648,127,974.51 and 665,687,593.03

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Solution

The fourth proportional to 1,194,290,091.20, 1,648,127,974.51 and 665,687,593.03 is: 918,653,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,290,091.20 : 1,648,127,974.51 = 665,687,593.03 : x
  2. Step 2: Convert to fraction form
    1,194,290,091.20/1,648,127,974.51 = 665,687,593.03/x
  3. Step 3: Cross multiply
    1,194,290,091.20x = 1,648,127,974.51 × 665,687,593.03
  4. Step 4: Simplify right side
    1,194,290,091.20x = 1,097,138,344,356,971,008
  5. Step 5: Solve for x
    x = 1,097,138,344,356,971,008/1,194,290,091.20
  6. Step 6: Final answer
    x = 918,653,141.68

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Double scale
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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.