Home / 481,085,485.10-663,897,974.84-261,068,911.10

Finding the Fourth Proportional to 481,085,485.10, 663,897,974.84 and 261,068,911.10

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Solution

The fourth proportional to 481,085,485.10, 663,897,974.84 and 261,068,911.10 is: 360,275,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,085,485.10 : 663,897,974.84 = 261,068,911.10 : x
  2. Step 2: Convert to fraction form
    481,085,485.10/663,897,974.84 = 261,068,911.10/x
  3. Step 3: Cross multiply
    481,085,485.10x = 663,897,974.84 × 261,068,911.10
  4. Step 4: Simplify right side
    481,085,485.10x = 173,323,121,368,349,184
  5. Step 5: Solve for x
    x = 173,323,121,368,349,184/481,085,485.10
  6. Step 6: Final answer
    x = 360,275,100.24

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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.