Home / 799,918,189.65-1,198,787,830.38-450,330,985.44

Finding the Fourth Proportional to 799,918,189.65, 1,198,787,830.38 and 450,330,985.44

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Solution

The fourth proportional to 799,918,189.65, 1,198,787,830.38 and 450,330,985.44 is: 674,883,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,918,189.65 : 1,198,787,830.38 = 450,330,985.44 : x
  2. Step 2: Convert to fraction form
    799,918,189.65/1,198,787,830.38 = 450,330,985.44/x
  3. Step 3: Cross multiply
    799,918,189.65x = 1,198,787,830.38 × 450,330,985.44
  4. Step 4: Simplify right side
    799,918,189.65x = 539,851,304,988,505,024
  5. Step 5: Solve for x
    x = 539,851,304,988,505,024/799,918,189.65
  6. Step 6: Final answer
    x = 674,883,146.77

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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.