Home / 824,561,291.80-1,236,841,937.70-497,406,212.20

Finding the Fourth Proportional to 824,561,291.80, 1,236,841,937.70 and 497,406,212.20

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Solution

The fourth proportional to 824,561,291.80, 1,236,841,937.70 and 497,406,212.20 is: 746,109,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,561,291.80 : 1,236,841,937.70 = 497,406,212.20 : x
  2. Step 2: Convert to fraction form
    824,561,291.80/1,236,841,937.70 = 497,406,212.20/x
  3. Step 3: Cross multiply
    824,561,291.80x = 1,236,841,937.70 × 497,406,212.20
  4. Step 4: Simplify right side
    824,561,291.80x = 615,212,863,321,465,344
  5. Step 5: Solve for x
    x = 615,212,863,321,465,344/824,561,291.80
  6. Step 6: Final answer
    x = 746,109,318.30

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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.