Home / 756,141,828.56-1,043,669,872.68-492,480,841.04

Finding the Fourth Proportional to 756,141,828.56, 1,043,669,872.68 and 492,480,841.04

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Solution

The fourth proportional to 756,141,828.56, 1,043,669,872.68 and 492,480,841.04 is: 679,750,011.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,141,828.56 : 1,043,669,872.68 = 492,480,841.04 : x
  2. Step 2: Convert to fraction form
    756,141,828.56/1,043,669,872.68 = 492,480,841.04/x
  3. Step 3: Cross multiply
    756,141,828.56x = 1,043,669,872.68 × 492,480,841.04
  4. Step 4: Simplify right side
    756,141,828.56x = 513,987,416,665,556,096
  5. Step 5: Solve for x
    x = 513,987,416,665,556,096/756,141,828.56
  6. Step 6: Final answer
    x = 679,750,011.51

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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.