Home / 252,758,898.30-378,571,477.05-207,409,266.30

Finding the Fourth Proportional to 252,758,898.30, 378,571,477.05 and 207,409,266.30

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Solution

The fourth proportional to 252,758,898.30, 378,571,477.05 and 207,409,266.30 is: 310,648,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,758,898.30 : 378,571,477.05 = 207,409,266.30 : x
  2. Step 2: Convert to fraction form
    252,758,898.30/378,571,477.05 = 207,409,266.30/x
  3. Step 3: Cross multiply
    252,758,898.30x = 378,571,477.05 × 207,409,266.30
  4. Step 4: Simplify right side
    252,758,898.30x = 78,519,232,297,047,792
  5. Step 5: Solve for x
    x = 78,519,232,297,047,792/252,758,898.30
  6. Step 6: Final answer
    x = 310,648,736.11

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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.