Home / 345,304,296.40-517,873,500.60-199,422,389.20

Finding the Fourth Proportional to 345,304,296.40, 517,873,500.60 and 199,422,389.20

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Solution

The fourth proportional to 345,304,296.40, 517,873,500.60 and 199,422,389.20 is: 299,085,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,304,296.40 : 517,873,500.60 = 199,422,389.20 : x
  2. Step 2: Convert to fraction form
    345,304,296.40/517,873,500.60 = 199,422,389.20/x
  3. Step 3: Cross multiply
    345,304,296.40x = 517,873,500.60 × 199,422,389.20
  4. Step 4: Simplify right side
    345,304,296.40x = 103,275,570,793,019,632
  5. Step 5: Solve for x
    x = 103,275,570,793,019,632/345,304,296.40
  6. Step 6: Final answer
    x = 299,085,681.44

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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.