Home / 672,234,412.48-1,008,353,493.60-257,838,256.96

Finding the Fourth Proportional to 672,234,412.48, 1,008,353,493.60 and 257,838,256.96

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Solution

The fourth proportional to 672,234,412.48, 1,008,353,493.60 and 257,838,256.96 is: 386,758,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,234,412.48 : 1,008,353,493.60 = 257,838,256.96 : x
  2. Step 2: Convert to fraction form
    672,234,412.48/1,008,353,493.60 = 257,838,256.96/x
  3. Step 3: Cross multiply
    672,234,412.48x = 1,008,353,493.60 × 257,838,256.96
  4. Step 4: Simplify right side
    672,234,412.48x = 259,992,107,189,350,528
  5. Step 5: Solve for x
    x = 259,992,107,189,350,528/672,234,412.48
  6. Step 6: Final answer
    x = 386,758,104.56

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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.