Home / 562,074,241.60-775,645,794.24-311,189,815

Finding the Fourth Proportional to 562,074,241.60, 775,645,794.24 and 311,189,815

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Solution

The fourth proportional to 562,074,241.60, 775,645,794.24 and 311,189,815 is: 429,432,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,074,241.60 : 775,645,794.24 = 311,189,815 : x
  2. Step 2: Convert to fraction form
    562,074,241.60/775,645,794.24 = 311,189,815/x
  3. Step 3: Cross multiply
    562,074,241.60x = 775,645,794.24 × 311,189,815
  4. Step 4: Simplify right side
    562,074,241.60x = 241,373,071,215,073,664
  5. Step 5: Solve for x
    x = 241,373,071,215,073,664/562,074,241.60
  6. Step 6: Final answer
    x = 429,432,721.43

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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.