Home / 454,272,568.80-681,408,853.20-249,721,605.60

Finding the Fourth Proportional to 454,272,568.80, 681,408,853.20 and 249,721,605.60

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Solution

The fourth proportional to 454,272,568.80, 681,408,853.20 and 249,721,605.60 is: 374,582,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,272,568.80 : 681,408,853.20 = 249,721,605.60 : x
  2. Step 2: Convert to fraction form
    454,272,568.80/681,408,853.20 = 249,721,605.60/x
  3. Step 3: Cross multiply
    454,272,568.80x = 681,408,853.20 × 249,721,605.60
  4. Step 4: Simplify right side
    454,272,568.80x = 170,162,512,891,158,720
  5. Step 5: Solve for x
    x = 170,162,512,891,158,720/454,272,568.80
  6. Step 6: Final answer
    x = 374,582,408.40

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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.