Home / 28,916,659,755.20-43,374,989,632.80-20,100,691,294.40

Finding the Fourth Proportional to 28,916,659,755.20, 43,374,989,632.80 and 20,100,691,294.40

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Solution

The fourth proportional to 28,916,659,755.20, 43,374,989,632.80 and 20,100,691,294.40 is: 30,151,036,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916,659,755.20 : 43,374,989,632.80 = 20,100,691,294.40 : x
  2. Step 2: Convert to fraction form
    28,916,659,755.20/43,374,989,632.80 = 20,100,691,294.40/x
  3. Step 3: Cross multiply
    28,916,659,755.20x = 43,374,989,632.80 × 20,100,691,294.40
  4. Step 4: Simplify right side
    28,916,659,755.20x = 871,867,276,506,713,292,800
  5. Step 5: Solve for x
    x = 871,867,276,506,713,292,800/28,916,659,755.20
  6. Step 6: Final answer
    x = 30,151,036,941.60

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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.