Home / 527,565,577.20-790,979,725.80-312,043,887.60

Finding the Fourth Proportional to 527,565,577.20, 790,979,725.80 and 312,043,887.60

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Solution

The fourth proportional to 527,565,577.20, 790,979,725.80 and 312,043,887.60 is: 467,847,788.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,565,577.20 : 790,979,725.80 = 312,043,887.60 : x
  2. Step 2: Convert to fraction form
    527,565,577.20/790,979,725.80 = 312,043,887.60/x
  3. Step 3: Cross multiply
    527,565,577.20x = 790,979,725.80 × 312,043,887.60
  4. Step 4: Simplify right side
    527,565,577.20x = 246,820,388,651,414,016
  5. Step 5: Solve for x
    x = 246,820,388,651,414,016/527,565,577.20
  6. Step 6: Final answer
    x = 467,847,788.63

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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.