Home / 268,272,511.20-402,408,766.80-265,721,594.40

Finding the Fourth Proportional to 268,272,511.20, 402,408,766.80 and 265,721,594.40

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Solution

The fourth proportional to 268,272,511.20, 402,408,766.80 and 265,721,594.40 is: 398,582,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,511.20 : 402,408,766.80 = 265,721,594.40 : x
  2. Step 2: Convert to fraction form
    268,272,511.20/402,408,766.80 = 265,721,594.40/x
  3. Step 3: Cross multiply
    268,272,511.20x = 402,408,766.80 × 265,721,594.40
  4. Step 4: Simplify right side
    268,272,511.20x = 106,928,699,114,633,792
  5. Step 5: Solve for x
    x = 106,928,699,114,633,792/268,272,511.20
  6. Step 6: Final answer
    x = 398,582,391.60

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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.