Home / 658,769,787.48-988,156,991.07-167,483,109.90

Finding the Fourth Proportional to 658,769,787.48, 988,156,991.07 and 167,483,109.90

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Solution

The fourth proportional to 658,769,787.48, 988,156,991.07 and 167,483,109.90 is: 251,225,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,769,787.48 : 988,156,991.07 = 167,483,109.90 : x
  2. Step 2: Convert to fraction form
    658,769,787.48/988,156,991.07 = 167,483,109.90/x
  3. Step 3: Cross multiply
    658,769,787.48x = 988,156,991.07 × 167,483,109.90
  4. Step 4: Simplify right side
    658,769,787.48x = 165,499,605,933,830,144
  5. Step 5: Solve for x
    x = 165,499,605,933,830,144/658,769,787.48
  6. Step 6: Final answer
    x = 251,225,252.10

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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.