Home / 7,138,947,269.60-10,708,420,904.40-6,655,217,861.60

Finding the Fourth Proportional to 7,138,947,269.60, 10,708,420,904.40 and 6,655,217,861.60

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Solution

The fourth proportional to 7,138,947,269.60, 10,708,420,904.40 and 6,655,217,861.60 is: 9,982,826,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,947,269.60 : 10,708,420,904.40 = 6,655,217,861.60 : x
  2. Step 2: Convert to fraction form
    7,138,947,269.60/10,708,420,904.40 = 6,655,217,861.60/x
  3. Step 3: Cross multiply
    7,138,947,269.60x = 10,708,420,904.40 × 6,655,217,861.60
  4. Step 4: Simplify right side
    7,138,947,269.60x = 71,266,874,072,493,711,360
  5. Step 5: Solve for x
    x = 71,266,874,072,493,711,360/7,138,947,269.60
  6. Step 6: Final answer
    x = 9,982,826,792.40

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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.