Home / 605,073,042.90-907,609,564.35-440,538,909.30

Finding the Fourth Proportional to 605,073,042.90, 907,609,564.35 and 440,538,909.30

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Solution

The fourth proportional to 605,073,042.90, 907,609,564.35 and 440,538,909.30 is: 660,808,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,073,042.90 : 907,609,564.35 = 440,538,909.30 : x
  2. Step 2: Convert to fraction form
    605,073,042.90/907,609,564.35 = 440,538,909.30/x
  3. Step 3: Cross multiply
    605,073,042.90x = 907,609,564.35 × 440,538,909.30
  4. Step 4: Simplify right side
    605,073,042.90x = 399,837,327,548,997,184
  5. Step 5: Solve for x
    x = 399,837,327,548,997,184/605,073,042.90
  6. Step 6: Final answer
    x = 660,808,363.95

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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.