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Finding the Fourth Proportional to 74,659,392,014.40, 111,989,088,021.60 and 74,659,392,014.40

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Solution

The fourth proportional to 74,659,392,014.40, 111,989,088,021.60 and 74,659,392,014.40 is: 111,989,088,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,659,392,014.40 : 111,989,088,021.60 = 74,659,392,014.40 : x
  2. Step 2: Convert to fraction form
    74,659,392,014.40/111,989,088,021.60 = 74,659,392,014.40/x
  3. Step 3: Cross multiply
    74,659,392,014.40x = 111,989,088,021.60 × 74,659,392,014.40
  4. Step 4: Simplify right side
    74,659,392,014.40x = 8,361,037,223,939,781,165,056
  5. Step 5: Solve for x
    x = 8,361,037,223,939,781,165,056/74,659,392,014.40
  6. Step 6: Final answer
    x = 111,989,088,021.60

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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.