Home / 397,223,253.12-548,243,980.40-263,024,469.84

Finding the Fourth Proportional to 397,223,253.12, 548,243,980.40 and 263,024,469.84

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Solution

The fourth proportional to 397,223,253.12, 548,243,980.40 and 263,024,469.84 is: 363,024,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,223,253.12 : 548,243,980.40 = 263,024,469.84 : x
  2. Step 2: Convert to fraction form
    397,223,253.12/548,243,980.40 = 263,024,469.84/x
  3. Step 3: Cross multiply
    397,223,253.12x = 548,243,980.40 × 263,024,469.84
  4. Step 4: Simplify right side
    397,223,253.12x = 144,201,582,287,681,344
  5. Step 5: Solve for x
    x = 144,201,582,287,681,344/397,223,253.12
  6. Step 6: Final answer
    x = 363,024,020.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.