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Finding the Fourth Proportional to 330,794,960.40, 495,436,613.40 and 194,746,064.40

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Solution

The fourth proportional to 330,794,960.40, 495,436,613.40 and 194,746,064.40 is: 291,674,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,794,960.40 : 495,436,613.40 = 194,746,064.40 : x
  2. Step 2: Convert to fraction form
    330,794,960.40/495,436,613.40 = 194,746,064.40/x
  3. Step 3: Cross multiply
    330,794,960.40x = 495,436,613.40 × 194,746,064.40
  4. Step 4: Simplify right side
    330,794,960.40x = 96,484,330,619,314,304
  5. Step 5: Solve for x
    x = 96,484,330,619,314,304/330,794,960.40
  6. Step 6: Final answer
    x = 291,674,124.97

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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.