Home / 563,435,998.20-845,153,997.30-154,491,492.60

Finding the Fourth Proportional to 563,435,998.20, 845,153,997.30 and 154,491,492.60

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Solution

The fourth proportional to 563,435,998.20, 845,153,997.30 and 154,491,492.60 is: 231,737,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,435,998.20 : 845,153,997.30 = 154,491,492.60 : x
  2. Step 2: Convert to fraction form
    563,435,998.20/845,153,997.30 = 154,491,492.60/x
  3. Step 3: Cross multiply
    563,435,998.20x = 845,153,997.30 × 154,491,492.60
  4. Step 4: Simplify right side
    563,435,998.20x = 130,569,102,519,733,360
  5. Step 5: Solve for x
    x = 130,569,102,519,733,360/563,435,998.20
  6. Step 6: Final answer
    x = 231,737,238.90

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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.