Home / 443,292,215.40-664,938,323.10-280,033,540.20

Finding the Fourth Proportional to 443,292,215.40, 664,938,323.10 and 280,033,540.20

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Solution

The fourth proportional to 443,292,215.40, 664,938,323.10 and 280,033,540.20 is: 420,050,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,292,215.40 : 664,938,323.10 = 280,033,540.20 : x
  2. Step 2: Convert to fraction form
    443,292,215.40/664,938,323.10 = 280,033,540.20/x
  3. Step 3: Cross multiply
    443,292,215.40x = 664,938,323.10 × 280,033,540.20
  4. Step 4: Simplify right side
    443,292,215.40x = 186,205,032,632,344,448
  5. Step 5: Solve for x
    x = 186,205,032,632,344,448/443,292,215.40
  6. Step 6: Final answer
    x = 420,050,310.30

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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.