Home / 772,589,305.60-1,158,883,958.40-591,190,777.60

Finding the Fourth Proportional to 772,589,305.60, 1,158,883,958.40 and 591,190,777.60

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Solution

The fourth proportional to 772,589,305.60, 1,158,883,958.40 and 591,190,777.60 is: 886,786,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,589,305.60 : 1,158,883,958.40 = 591,190,777.60 : x
  2. Step 2: Convert to fraction form
    772,589,305.60/1,158,883,958.40 = 591,190,777.60/x
  3. Step 3: Cross multiply
    772,589,305.60x = 1,158,883,958.40 × 591,190,777.60
  4. Step 4: Simplify right side
    772,589,305.60x = 685,121,508,514,662,144
  5. Step 5: Solve for x
    x = 685,121,508,514,662,144/772,589,305.60
  6. Step 6: Final answer
    x = 886,786,166.40

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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.