Home / 268,605,324.40-402,907,986.60-247,442,162.80

Finding the Fourth Proportional to 268,605,324.40, 402,907,986.60 and 247,442,162.80

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Solution

The fourth proportional to 268,605,324.40, 402,907,986.60 and 247,442,162.80 is: 371,163,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,605,324.40 : 402,907,986.60 = 247,442,162.80 : x
  2. Step 2: Convert to fraction form
    268,605,324.40/402,907,986.60 = 247,442,162.80/x
  3. Step 3: Cross multiply
    268,605,324.40x = 402,907,986.60 × 247,442,162.80
  4. Step 4: Simplify right side
    268,605,324.40x = 99,696,423,613,697,424
  5. Step 5: Solve for x
    x = 99,696,423,613,697,424/268,605,324.40
  6. Step 6: Final answer
    x = 371,163,244.20

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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.