Home / 417,317,959,872.43-626,012,998,621.35-115,130,562,592.90

Finding the Fourth Proportional to 417,317,959,872.43, 626,012,998,621.35 and 115,130,562,592.90

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Solution

The fourth proportional to 417,317,959,872.43, 626,012,998,621.35 and 115,130,562,592.90 is: 172,705,791,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,317,959,872.43 : 626,012,998,621.35 = 115,130,562,592.90 : x
  2. Step 2: Convert to fraction form
    417,317,959,872.43/626,012,998,621.35 = 115,130,562,592.90/x
  3. Step 3: Cross multiply
    417,317,959,872.43x = 626,012,998,621.35 × 115,130,562,592.90
  4. Step 4: Simplify right side
    417,317,959,872.43x = 72,073,228,721,744,351,592,448
  5. Step 5: Solve for x
    x = 72,073,228,721,744,351,592,448/417,317,959,872.43
  6. Step 6: Final answer
    x = 172,705,791,870.97

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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.