Home / 496,917,070.40-745,375,605.60-169,761,990.80

Finding the Fourth Proportional to 496,917,070.40, 745,375,605.60 and 169,761,990.80

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Solution

The fourth proportional to 496,917,070.40, 745,375,605.60 and 169,761,990.80 is: 254,642,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,917,070.40 : 745,375,605.60 = 169,761,990.80 : x
  2. Step 2: Convert to fraction form
    496,917,070.40/745,375,605.60 = 169,761,990.80/x
  3. Step 3: Cross multiply
    496,917,070.40x = 745,375,605.60 × 169,761,990.80
  4. Step 4: Simplify right side
    496,917,070.40x = 126,536,446,700,411,648
  5. Step 5: Solve for x
    x = 126,536,446,700,411,648/496,917,070.40
  6. Step 6: Final answer
    x = 254,642,986.20

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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.