Home / 264,374,411.70-396,561,617.55-209,954,853.30

Finding the Fourth Proportional to 264,374,411.70, 396,561,617.55 and 209,954,853.30

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Solution

The fourth proportional to 264,374,411.70, 396,561,617.55 and 209,954,853.30 is: 314,932,279.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,374,411.70 : 396,561,617.55 = 209,954,853.30 : x
  2. Step 2: Convert to fraction form
    264,374,411.70/396,561,617.55 = 209,954,853.30/x
  3. Step 3: Cross multiply
    264,374,411.70x = 396,561,617.55 × 209,954,853.30
  4. Step 4: Simplify right side
    264,374,411.70x = 83,260,036,237,120,960
  5. Step 5: Solve for x
    x = 83,260,036,237,120,960/264,374,411.70
  6. Step 6: Final answer
    x = 314,932,279.95

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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.