Home / 414,024,291,248.20-621,036,436,872.30-397,770,983,139.40

Finding the Fourth Proportional to 414,024,291,248.20, 621,036,436,872.30 and 397,770,983,139.40

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Solution

The fourth proportional to 414,024,291,248.20, 621,036,436,872.30 and 397,770,983,139.40 is: 596,656,474,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,024,291,248.20 : 621,036,436,872.30 = 397,770,983,139.40 : x
  2. Step 2: Convert to fraction form
    414,024,291,248.20/621,036,436,872.30 = 397,770,983,139.40/x
  3. Step 3: Cross multiply
    414,024,291,248.20x = 621,036,436,872.30 × 397,770,983,139.40
  4. Step 4: Simplify right side
    414,024,291,248.20x = 247,030,274,060,084,737,736,704
  5. Step 5: Solve for x
    x = 247,030,274,060,084,737,736,704/414,024,291,248.20
  6. Step 6: Final answer
    x = 596,656,474,709.10

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Double scale
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Similar ratio
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1.5x scale

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.