Home / 672,195,549.48-927,695,987.24-407,856,796.08

Finding the Fourth Proportional to 672,195,549.48, 927,695,987.24 and 407,856,796.08

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Solution

The fourth proportional to 672,195,549.48, 927,695,987.24 and 407,856,796.08 is: 562,882,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,195,549.48 : 927,695,987.24 = 407,856,796.08 : x
  2. Step 2: Convert to fraction form
    672,195,549.48/927,695,987.24 = 407,856,796.08/x
  3. Step 3: Cross multiply
    672,195,549.48x = 927,695,987.24 × 407,856,796.08
  4. Step 4: Simplify right side
    672,195,549.48x = 378,367,113,091,978,944
  5. Step 5: Solve for x
    x = 378,367,113,091,978,944/672,195,549.48
  6. Step 6: Final answer
    x = 562,882,502.55

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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.