Home / 351,977,471.20-528,029,192.40-147,526,213.60

Finding the Fourth Proportional to 351,977,471.20, 528,029,192.40 and 147,526,213.60

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Solution

The fourth proportional to 351,977,471.20, 528,029,192.40 and 147,526,213.60 is: 221,315,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,977,471.20 : 528,029,192.40 = 147,526,213.60 : x
  2. Step 2: Convert to fraction form
    351,977,471.20/528,029,192.40 = 147,526,213.60/x
  3. Step 3: Cross multiply
    351,977,471.20x = 528,029,192.40 × 147,526,213.60
  4. Step 4: Simplify right side
    351,977,471.20x = 77,898,147,425,037,888
  5. Step 5: Solve for x
    x = 77,898,147,425,037,888/351,977,471.20
  6. Step 6: Final answer
    x = 221,315,719.89

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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.