Home / 2,680,521,704.40-4,021,160,470.20-840,082,472.40

Finding the Fourth Proportional to 2,680,521,704.40, 4,021,160,470.20 and 840,082,472.40

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Solution

The fourth proportional to 2,680,521,704.40, 4,021,160,470.20 and 840,082,472.40 is: 1,260,242,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,521,704.40 : 4,021,160,470.20 = 840,082,472.40 : x
  2. Step 2: Convert to fraction form
    2,680,521,704.40/4,021,160,470.20 = 840,082,472.40/x
  3. Step 3: Cross multiply
    2,680,521,704.40x = 4,021,160,470.20 × 840,082,472.40
  4. Step 4: Simplify right side
    2,680,521,704.40x = 3,378,106,429,722,762,240
  5. Step 5: Solve for x
    x = 3,378,106,429,722,762,240/2,680,521,704.40
  6. Step 6: Final answer
    x = 1,260,242,147.70

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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.