Home / 5,318,784,005.10-7,978,176,007.65-3,359,679,902.70

Finding the Fourth Proportional to 5,318,784,005.10, 7,978,176,007.65 and 3,359,679,902.70

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Solution

The fourth proportional to 5,318,784,005.10, 7,978,176,007.65 and 3,359,679,902.70 is: 5,039,519,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,784,005.10 : 7,978,176,007.65 = 3,359,679,902.70 : x
  2. Step 2: Convert to fraction form
    5,318,784,005.10/7,978,176,007.65 = 3,359,679,902.70/x
  3. Step 3: Cross multiply
    5,318,784,005.10x = 7,978,176,007.65 × 3,359,679,902.70
  4. Step 4: Simplify right side
    5,318,784,005.10x = 26,804,117,593,105,022,976
  5. Step 5: Solve for x
    x = 26,804,117,593,105,022,976/5,318,784,005.10
  6. Step 6: Final answer
    x = 5,039,519,854.05

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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.