Home / 440,388,214.40-660,561,326.40-149,226,780.80

Finding the Fourth Proportional to 440,388,214.40, 660,561,326.40 and 149,226,780.80

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Solution

The fourth proportional to 440,388,214.40, 660,561,326.40 and 149,226,780.80 is: 223,833,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,388,214.40 : 660,561,326.40 = 149,226,780.80 : x
  2. Step 2: Convert to fraction form
    440,388,214.40/660,561,326.40 = 149,226,780.80/x
  3. Step 3: Cross multiply
    440,388,214.40x = 660,561,326.40 × 149,226,780.80
  4. Step 4: Simplify right side
    440,388,214.40x = 98,573,440,259,650,064
  5. Step 5: Solve for x
    x = 98,573,440,259,650,064/440,388,214.40
  6. Step 6: Final answer
    x = 223,833,056.92

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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.