Home / 520,037,286.10-780,055,929.15-174,876,198.10

Finding the Fourth Proportional to 520,037,286.10, 780,055,929.15 and 174,876,198.10

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Solution

The fourth proportional to 520,037,286.10, 780,055,929.15 and 174,876,198.10 is: 262,314,297.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,037,286.10 : 780,055,929.15 = 174,876,198.10 : x
  2. Step 2: Convert to fraction form
    520,037,286.10/780,055,929.15 = 174,876,198.10/x
  3. Step 3: Cross multiply
    520,037,286.10x = 780,055,929.15 × 174,876,198.10
  4. Step 4: Simplify right side
    520,037,286.10x = 136,413,215,195,114,960
  5. Step 5: Solve for x
    x = 136,413,215,195,114,960/520,037,286.10
  6. Step 6: Final answer
    x = 262,314,297.15

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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.