Home / 361,648,447.20-499,061,097.36-196,636,154.40

Finding the Fourth Proportional to 361,648,447.20, 499,061,097.36 and 196,636,154.40

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Solution

The fourth proportional to 361,648,447.20, 499,061,097.36 and 196,636,154.40 is: 271,350,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,648,447.20 : 499,061,097.36 = 196,636,154.40 : x
  2. Step 2: Convert to fraction form
    361,648,447.20/499,061,097.36 = 196,636,154.40/x
  3. Step 3: Cross multiply
    361,648,447.20x = 499,061,097.36 × 196,636,154.40
  4. Step 4: Simplify right side
    361,648,447.20x = 98,133,454,995,514,400
  5. Step 5: Solve for x
    x = 98,133,454,995,514,400/361,648,447.20
  6. Step 6: Final answer
    x = 271,350,411.58

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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.