Home / 279,907,691.28-386,349,443.14-162,470,856.02

Finding the Fourth Proportional to 279,907,691.28, 386,349,443.14 and 162,470,856.02

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Solution

The fourth proportional to 279,907,691.28, 386,349,443.14 and 162,470,856.02 is: 224,254,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,907,691.28 : 386,349,443.14 = 162,470,856.02 : x
  2. Step 2: Convert to fraction form
    279,907,691.28/386,349,443.14 = 162,470,856.02/x
  3. Step 3: Cross multiply
    279,907,691.28x = 386,349,443.14 × 162,470,856.02
  4. Step 4: Simplify right side
    279,907,691.28x = 62,770,524,749,806,120
  5. Step 5: Solve for x
    x = 62,770,524,749,806,120/279,907,691.28
  6. Step 6: Final answer
    x = 224,254,376.37

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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.