Home / 527,565,578.20-790,979,727.30-312,043,888.60

Finding the Fourth Proportional to 527,565,578.20, 790,979,727.30 and 312,043,888.60

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Solution

The fourth proportional to 527,565,578.20, 790,979,727.30 and 312,043,888.60 is: 467,847,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,565,578.20 : 790,979,727.30 = 312,043,888.60 : x
  2. Step 2: Convert to fraction form
    527,565,578.20/790,979,727.30 = 312,043,888.60/x
  3. Step 3: Cross multiply
    527,565,578.20x = 790,979,727.30 × 312,043,888.60
  4. Step 4: Simplify right side
    527,565,578.20x = 246,820,389,910,459,584
  5. Step 5: Solve for x
    x = 246,820,389,910,459,584/527,565,578.20
  6. Step 6: Final answer
    x = 467,847,790.13

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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.