Home / 351,977,508.20-528,029,247.90-147,526,250.60

Finding the Fourth Proportional to 351,977,508.20, 528,029,247.90 and 147,526,250.60

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Solution

The fourth proportional to 351,977,508.20, 528,029,247.90 and 147,526,250.60 is: 221,315,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,977,508.20 : 528,029,247.90 = 147,526,250.60 : x
  2. Step 2: Convert to fraction form
    351,977,508.20/528,029,247.90 = 147,526,250.60/x
  3. Step 3: Cross multiply
    351,977,508.20x = 528,029,247.90 × 147,526,250.60
  4. Step 4: Simplify right side
    351,977,508.20x = 77,898,175,149,824,912
  5. Step 5: Solve for x
    x = 77,898,175,149,824,912/351,977,508.20
  6. Step 6: Final answer
    x = 221,315,775.40

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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.