Home / 734,195,789.93-1,101,330,279.48-209,642,691.76

Finding the Fourth Proportional to 734,195,789.93, 1,101,330,279.48 and 209,642,691.76

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Solution

The fourth proportional to 734,195,789.93, 1,101,330,279.48 and 209,642,691.76 is: 314,474,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,195,789.93 : 1,101,330,279.48 = 209,642,691.76 : x
  2. Step 2: Convert to fraction form
    734,195,789.93/1,101,330,279.48 = 209,642,691.76/x
  3. Step 3: Cross multiply
    734,195,789.93x = 1,101,330,279.48 × 209,642,691.76
  4. Step 4: Simplify right side
    734,195,789.93x = 230,885,844,306,980,288
  5. Step 5: Solve for x
    x = 230,885,844,306,980,288/734,195,789.93
  6. Step 6: Final answer
    x = 314,474,486.88

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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.