Home / 298,963,920.60-448,445,880.90-268,831,215.90

Finding the Fourth Proportional to 298,963,920.60, 448,445,880.90 and 268,831,215.90

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Solution

The fourth proportional to 298,963,920.60, 448,445,880.90 and 268,831,215.90 is: 403,246,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,963,920.60 : 448,445,880.90 = 268,831,215.90 : x
  2. Step 2: Convert to fraction form
    298,963,920.60/448,445,880.90 = 268,831,215.90/x
  3. Step 3: Cross multiply
    298,963,920.60x = 448,445,880.90 × 268,831,215.90
  4. Step 4: Simplify right side
    298,963,920.60x = 120,556,251,427,693,568
  5. Step 5: Solve for x
    x = 120,556,251,427,693,568/298,963,920.60
  6. Step 6: Final answer
    x = 403,246,823.85

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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.