Home / 279,907,713.30-386,349,473.52-162,470,878.02

Finding the Fourth Proportional to 279,907,713.30, 386,349,473.52 and 162,470,878.02

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Solution

The fourth proportional to 279,907,713.30, 386,349,473.52 and 162,470,878.02 is: 224,254,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,907,713.30 : 386,349,473.52 = 162,470,878.02 : x
  2. Step 2: Convert to fraction form
    279,907,713.30/386,349,473.52 = 162,470,878.02/x
  3. Step 3: Cross multiply
    279,907,713.30x = 386,349,473.52 × 162,470,878.02
  4. Step 4: Simplify right side
    279,907,713.30x = 62,770,538,185,359,144
  5. Step 5: Solve for x
    x = 62,770,538,185,359,144/279,907,713.30
  6. Step 6: Final answer
    x = 224,254,406.73

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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.