Home / 980,724,288.92-1,353,408,913.50-540,706,921.88

Finding the Fourth Proportional to 980,724,288.92, 1,353,408,913.50 and 540,706,921.88

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Solution

The fourth proportional to 980,724,288.92, 1,353,408,913.50 and 540,706,921.88 is: 746,180,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,724,288.92 : 1,353,408,913.50 = 540,706,921.88 : x
  2. Step 2: Convert to fraction form
    980,724,288.92/1,353,408,913.50 = 540,706,921.88/x
  3. Step 3: Cross multiply
    980,724,288.92x = 1,353,408,913.50 × 540,706,921.88
  4. Step 4: Simplify right side
    980,724,288.92x = 731,797,567,663,540,224
  5. Step 5: Solve for x
    x = 731,797,567,663,540,224/980,724,288.92
  6. Step 6: Final answer
    x = 746,180,731.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.