Home / 497,015,999.90-745,523,999.85-169,860,920.30

Finding the Fourth Proportional to 497,015,999.90, 745,523,999.85 and 169,860,920.30

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Solution

The fourth proportional to 497,015,999.90, 745,523,999.85 and 169,860,920.30 is: 254,791,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,015,999.90 : 745,523,999.85 = 169,860,920.30 : x
  2. Step 2: Convert to fraction form
    497,015,999.90/745,523,999.85 = 169,860,920.30/x
  3. Step 3: Cross multiply
    497,015,999.90x = 745,523,999.85 × 169,860,920.30
  4. Step 4: Simplify right side
    497,015,999.90x = 126,635,392,720,258,080
  5. Step 5: Solve for x
    x = 126,635,392,720,258,080/497,015,999.90
  6. Step 6: Final answer
    x = 254,791,380.45

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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.