Home / 658,401,720.94-987,605,881.71-167,115,137.17

Finding the Fourth Proportional to 658,401,720.94, 987,605,881.71 and 167,115,137.17

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Solution

The fourth proportional to 658,401,720.94, 987,605,881.71 and 167,115,137.17 is: 250,673,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,401,720.94 : 987,605,881.71 = 167,115,137.17 : x
  2. Step 2: Convert to fraction form
    658,401,720.94/987,605,881.71 = 167,115,137.17/x
  3. Step 3: Cross multiply
    658,401,720.94x = 987,605,881.71 × 167,115,137.17
  4. Step 4: Simplify right side
    658,401,720.94x = 165,043,892,391,865,440
  5. Step 5: Solve for x
    x = 165,043,892,391,865,440/658,401,720.94
  6. Step 6: Final answer
    x = 250,673,543.44

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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.