Home / 5,318,784,615.60-7,978,176,923.40-3,359,680,513.20

Finding the Fourth Proportional to 5,318,784,615.60, 7,978,176,923.40 and 3,359,680,513.20

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Solution

The fourth proportional to 5,318,784,615.60, 7,978,176,923.40 and 3,359,680,513.20 is: 5,039,520,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,784,615.60 : 7,978,176,923.40 = 3,359,680,513.20 : x
  2. Step 2: Convert to fraction form
    5,318,784,615.60/7,978,176,923.40 = 3,359,680,513.20/x
  3. Step 3: Cross multiply
    5,318,784,615.60x = 7,978,176,923.40 × 3,359,680,513.20
  4. Step 4: Simplify right side
    5,318,784,615.60x = 26,804,125,540,408,905,728
  5. Step 5: Solve for x
    x = 26,804,125,540,408,905,728/5,318,784,615.60
  6. Step 6: Final answer
    x = 5,039,520,769.80

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1.5x scale

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.