Home / 544,338,743.80-816,508,115.70-488,218,574.20

Finding the Fourth Proportional to 544,338,743.80, 816,508,115.70 and 488,218,574.20

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Solution

The fourth proportional to 544,338,743.80, 816,508,115.70 and 488,218,574.20 is: 732,327,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,338,743.80 : 816,508,115.70 = 488,218,574.20 : x
  2. Step 2: Convert to fraction form
    544,338,743.80/816,508,115.70 = 488,218,574.20/x
  3. Step 3: Cross multiply
    544,338,743.80x = 816,508,115.70 × 488,218,574.20
  4. Step 4: Simplify right side
    544,338,743.80x = 398,634,428,069,782,656
  5. Step 5: Solve for x
    x = 398,634,428,069,782,656/544,338,743.80
  6. Step 6: Final answer
    x = 732,327,861.30

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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.