Home / 976,218,661.86-1,347,264,839.10-552,907,626.90

Finding the Fourth Proportional to 976,218,661.86, 1,347,264,839.10 and 552,907,626.90

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Solution

The fourth proportional to 976,218,661.86, 1,347,264,839.10 and 552,907,626.90 is: 763,059,582.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,218,661.86 : 1,347,264,839.10 = 552,907,626.90 : x
  2. Step 2: Convert to fraction form
    976,218,661.86/1,347,264,839.10 = 552,907,626.90/x
  3. Step 3: Cross multiply
    976,218,661.86x = 1,347,264,839.10 × 552,907,626.90
  4. Step 4: Simplify right side
    976,218,661.86x = 744,913,004,992,591,232
  5. Step 5: Solve for x
    x = 744,913,004,992,591,232/976,218,661.86
  6. Step 6: Final answer
    x = 763,059,582.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.