Home / 1,680,236,750.40-2,516,324,047.20-817,585,972.80

Finding the Fourth Proportional to 1,680,236,750.40, 2,516,324,047.20 and 817,585,972.80

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Solution

The fourth proportional to 1,680,236,750.40, 2,516,324,047.20 and 817,585,972.80 is: 1,224,417,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,236,750.40 : 2,516,324,047.20 = 817,585,972.80 : x
  2. Step 2: Convert to fraction form
    1,680,236,750.40/2,516,324,047.20 = 817,585,972.80/x
  3. Step 3: Cross multiply
    1,680,236,750.40x = 2,516,324,047.20 × 817,585,972.80
  4. Step 4: Simplify right side
    1,680,236,750.40x = 2,057,311,244,010,044,928
  5. Step 5: Solve for x
    x = 2,057,311,244,010,044,928/1,680,236,750.40
  6. Step 6: Final answer
    x = 1,224,417,477.79

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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.