Home / 539,865,043.28-809,630,180-194,773,822.64

Finding the Fourth Proportional to 539,865,043.28, 809,630,180 and 194,773,822.64

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Solution

The fourth proportional to 539,865,043.28, 809,630,180 and 194,773,822.64 is: 292,100,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,865,043.28 : 809,630,180 = 194,773,822.64 : x
  2. Step 2: Convert to fraction form
    539,865,043.28/809,630,180 = 194,773,822.64/x
  3. Step 3: Cross multiply
    539,865,043.28x = 809,630,180 × 194,773,822.64
  4. Step 4: Simplify right side
    539,865,043.28x = 157,694,765,083,311,264
  5. Step 5: Solve for x
    x = 157,694,765,083,311,264/539,865,043.28
  6. Step 6: Final answer
    x = 292,100,344.42

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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.