Home / 398,935,118.64-598,770,526.20-202,336,511.40

Finding the Fourth Proportional to 398,935,118.64, 598,770,526.20 and 202,336,511.40

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Solution

The fourth proportional to 398,935,118.64, 598,770,526.20 and 202,336,511.40 is: 303,691,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,935,118.64 : 598,770,526.20 = 202,336,511.40 : x
  2. Step 2: Convert to fraction form
    398,935,118.64/598,770,526.20 = 202,336,511.40/x
  3. Step 3: Cross multiply
    398,935,118.64x = 598,770,526.20 × 202,336,511.40
  4. Step 4: Simplify right side
    398,935,118.64x = 121,153,139,400,450,304
  5. Step 5: Solve for x
    x = 121,153,139,400,450,304/398,935,118.64
  6. Step 6: Final answer
    x = 303,691,336.61

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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.