Home / 72,439,253,899.20-108,594,257,623.20-28,263,043,627.20

Finding the Fourth Proportional to 72,439,253,899.20, 108,594,257,623.20 and 28,263,043,627.20

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Solution

The fourth proportional to 72,439,253,899.20, 108,594,257,623.20 and 28,263,043,627.20 is: 42,369,351,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,439,253,899.20 : 108,594,257,623.20 = 28,263,043,627.20 : x
  2. Step 2: Convert to fraction form
    72,439,253,899.20/108,594,257,623.20 = 28,263,043,627.20/x
  3. Step 3: Cross multiply
    72,439,253,899.20x = 108,594,257,623.20 × 28,263,043,627.20
  4. Step 4: Simplify right side
    72,439,253,899.20x = 3,069,204,240,867,897,901,056
  5. Step 5: Solve for x
    x = 3,069,204,240,867,897,901,056/72,439,253,899.20
  6. Step 6: Final answer
    x = 42,369,351,914.35

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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.