Home / 658,401,705.01-987,605,857.86-167,115,120.79

Finding the Fourth Proportional to 658,401,705.01, 987,605,857.86 and 167,115,120.79

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Solution

The fourth proportional to 658,401,705.01, 987,605,857.86 and 167,115,120.79 is: 250,673,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,401,705.01 : 987,605,857.86 = 167,115,120.79 : x
  2. Step 2: Convert to fraction form
    658,401,705.01/987,605,857.86 = 167,115,120.79/x
  3. Step 3: Cross multiply
    658,401,705.01x = 987,605,857.86 × 167,115,120.79
  4. Step 4: Simplify right side
    658,401,705.01x = 165,043,872,228,890,688
  5. Step 5: Solve for x
    x = 165,043,872,228,890,688/658,401,705.01
  6. Step 6: Final answer
    x = 250,673,518.88

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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.