Home / 298,955,489.40-448,433,234.10-271,692,566.10

Finding the Fourth Proportional to 298,955,489.40, 448,433,234.10 and 271,692,566.10

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Solution

The fourth proportional to 298,955,489.40, 448,433,234.10 and 271,692,566.10 is: 407,538,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,955,489.40 : 448,433,234.10 = 271,692,566.10 : x
  2. Step 2: Convert to fraction form
    298,955,489.40/448,433,234.10 = 271,692,566.10/x
  3. Step 3: Cross multiply
    298,955,489.40x = 448,433,234.10 × 271,692,566.10
  4. Step 4: Simplify right side
    298,955,489.40x = 121,835,976,097,151,040
  5. Step 5: Solve for x
    x = 121,835,976,097,151,040/298,955,489.40
  6. Step 6: Final answer
    x = 407,538,849.15

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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.