Home / 43,512,552,000.40-65,268,828,000.60-30,288,599,309.20

Finding the Fourth Proportional to 43,512,552,000.40, 65,268,828,000.60 and 30,288,599,309.20

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Solution

The fourth proportional to 43,512,552,000.40, 65,268,828,000.60 and 30,288,599,309.20 is: 45,432,898,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,512,552,000.40 : 65,268,828,000.60 = 30,288,599,309.20 : x
  2. Step 2: Convert to fraction form
    43,512,552,000.40/65,268,828,000.60 = 30,288,599,309.20/x
  3. Step 3: Cross multiply
    43,512,552,000.40x = 65,268,828,000.60 × 30,288,599,309.20
  4. Step 4: Simplify right side
    43,512,552,000.40x = 1,976,901,378,691,266,772,992
  5. Step 5: Solve for x
    x = 1,976,901,378,691,266,772,992/43,512,552,000.40
  6. Step 6: Final answer
    x = 45,432,898,963.80

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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.