Home / 746,046,498.60-1,119,069,747.90-221,434,515.45

Finding the Fourth Proportional to 746,046,498.60, 1,119,069,747.90 and 221,434,515.45

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Solution

The fourth proportional to 746,046,498.60, 1,119,069,747.90 and 221,434,515.45 is: 332,151,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,046,498.60 : 1,119,069,747.90 = 221,434,515.45 : x
  2. Step 2: Convert to fraction form
    746,046,498.60/1,119,069,747.90 = 221,434,515.45/x
  3. Step 3: Cross multiply
    746,046,498.60x = 1,119,069,747.90 × 221,434,515.45
  4. Step 4: Simplify right side
    746,046,498.60x = 247,800,667,380,990,176
  5. Step 5: Solve for x
    x = 247,800,667,380,990,176/746,046,498.60
  6. Step 6: Final answer
    x = 332,151,773.18

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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.