Home / 409,610,074.78-614,415,703.50-167,272,978.78

Finding the Fourth Proportional to 409,610,074.78, 614,415,703.50 and 167,272,978.78

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Solution

The fourth proportional to 409,610,074.78, 614,415,703.50 and 167,272,978.78 is: 250,909,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,610,074.78 : 614,415,703.50 = 167,272,978.78 : x
  2. Step 2: Convert to fraction form
    409,610,074.78/614,415,703.50 = 167,272,978.78/x
  3. Step 3: Cross multiply
    409,610,074.78x = 614,415,703.50 × 167,272,978.78
  4. Step 4: Simplify right side
    409,610,074.78x = 102,775,144,933,654,272
  5. Step 5: Solve for x
    x = 102,775,144,933,654,272/409,610,074.78
  6. Step 6: Final answer
    x = 250,909,709.65

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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.