Home / 520,037,288.60-780,055,932.90-174,876,200.60

Finding the Fourth Proportional to 520,037,288.60, 780,055,932.90 and 174,876,200.60

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Solution

The fourth proportional to 520,037,288.60, 780,055,932.90 and 174,876,200.60 is: 262,314,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,037,288.60 : 780,055,932.90 = 174,876,200.60 : x
  2. Step 2: Convert to fraction form
    520,037,288.60/780,055,932.90 = 174,876,200.60/x
  3. Step 3: Cross multiply
    520,037,288.60x = 780,055,932.90 × 174,876,200.60
  4. Step 4: Simplify right side
    520,037,288.60x = 136,413,217,801,040,528
  5. Step 5: Solve for x
    x = 136,413,217,801,040,528/520,037,288.60
  6. Step 6: Final answer
    x = 262,314,300.90

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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.