Home / 581,986,642.47-872,971,741.39-270,920,274.87

Finding the Fourth Proportional to 581,986,642.47, 872,971,741.39 and 270,920,274.87

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Solution

The fourth proportional to 581,986,642.47, 872,971,741.39 and 270,920,274.87 is: 406,376,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,986,642.47 : 872,971,741.39 = 270,920,274.87 : x
  2. Step 2: Convert to fraction form
    581,986,642.47/872,971,741.39 = 270,920,274.87/x
  3. Step 3: Cross multiply
    581,986,642.47x = 872,971,741.39 × 270,920,274.87
  4. Step 4: Simplify right side
    581,986,642.47x = 236,505,744,131,121,344
  5. Step 5: Solve for x
    x = 236,505,744,131,121,344/581,986,642.47
  6. Step 6: Final answer
    x = 406,376,584.74

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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.