Home / 353,158,352.66-487,354,658.92-194,385,081.02

Finding the Fourth Proportional to 353,158,352.66, 487,354,658.92 and 194,385,081.02

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Solution

The fourth proportional to 353,158,352.66, 487,354,658.92 and 194,385,081.02 is: 268,249,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,158,352.66 : 487,354,658.92 = 194,385,081.02 : x
  2. Step 2: Convert to fraction form
    353,158,352.66/487,354,658.92 = 194,385,081.02/x
  3. Step 3: Cross multiply
    353,158,352.66x = 487,354,658.92 × 194,385,081.02
  4. Step 4: Simplify right side
    353,158,352.66x = 94,734,474,856,715,920
  5. Step 5: Solve for x
    x = 94,734,474,856,715,920/353,158,352.66
  6. Step 6: Final answer
    x = 268,249,282.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.