Home / 353,158,376.33-487,354,691.71-194,385,104.74

Finding the Fourth Proportional to 353,158,376.33, 487,354,691.71 and 194,385,104.74

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Solution

The fourth proportional to 353,158,376.33, 487,354,691.71 and 194,385,104.74 is: 268,249,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,158,376.33 : 487,354,691.71 = 194,385,104.74 : x
  2. Step 2: Convert to fraction form
    353,158,376.33/487,354,691.71 = 194,385,104.74/x
  3. Step 3: Cross multiply
    353,158,376.33x = 487,354,691.71 × 194,385,104.74
  4. Step 4: Simplify right side
    353,158,376.33x = 94,734,492,793,578,768
  5. Step 5: Solve for x
    x = 94,734,492,793,578,768/353,158,376.33
  6. Step 6: Final answer
    x = 268,249,315.73

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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.