Home / 851,395,010.94-1,174,702,766.31-498,781,447.11

Finding the Fourth Proportional to 851,395,010.94, 1,174,702,766.31 and 498,781,447.11

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Solution

The fourth proportional to 851,395,010.94, 1,174,702,766.31 and 498,781,447.11 is: 688,188,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,395,010.94 : 1,174,702,766.31 = 498,781,447.11 : x
  2. Step 2: Convert to fraction form
    851,395,010.94/1,174,702,766.31 = 498,781,447.11/x
  3. Step 3: Cross multiply
    851,395,010.94x = 1,174,702,766.31 × 498,781,447.11
  4. Step 4: Simplify right side
    851,395,010.94x = 585,919,945,704,221,952
  5. Step 5: Solve for x
    x = 585,919,945,704,221,952/851,395,010.94
  6. Step 6: Final answer
    x = 688,188,136.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.