Home / 707,360,177.76-976,134,162.96-405,995,098.56

Finding the Fourth Proportional to 707,360,177.76, 976,134,162.96 and 405,995,098.56

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Solution

The fourth proportional to 707,360,177.76, 976,134,162.96 and 405,995,098.56 is: 560,260,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,360,177.76 : 976,134,162.96 = 405,995,098.56 : x
  2. Step 2: Convert to fraction form
    707,360,177.76/976,134,162.96 = 405,995,098.56/x
  3. Step 3: Cross multiply
    707,360,177.76x = 976,134,162.96 × 405,995,098.56
  4. Step 4: Simplify right side
    707,360,177.76x = 396,305,685,698,728,320
  5. Step 5: Solve for x
    x = 396,305,685,698,728,320/707,360,177.76
  6. Step 6: Final answer
    x = 560,260,102.50

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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.