Home / 727,673,856.80-1,091,510,785.20-400,022,765.60

Finding the Fourth Proportional to 727,673,856.80, 1,091,510,785.20 and 400,022,765.60

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Solution

The fourth proportional to 727,673,856.80, 1,091,510,785.20 and 400,022,765.60 is: 600,034,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,673,856.80 : 1,091,510,785.20 = 400,022,765.60 : x
  2. Step 2: Convert to fraction form
    727,673,856.80/1,091,510,785.20 = 400,022,765.60/x
  3. Step 3: Cross multiply
    727,673,856.80x = 1,091,510,785.20 × 400,022,765.60
  4. Step 4: Simplify right side
    727,673,856.80x = 436,629,162,977,931,584
  5. Step 5: Solve for x
    x = 436,629,162,977,931,584/727,673,856.80
  6. Step 6: Final answer
    x = 600,034,148.40

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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.