Home / 885,741,435.20-1,328,612,152.80-656,158,923.20

Finding the Fourth Proportional to 885,741,435.20, 1,328,612,152.80 and 656,158,923.20

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Solution

The fourth proportional to 885,741,435.20, 1,328,612,152.80 and 656,158,923.20 is: 984,238,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,741,435.20 : 1,328,612,152.80 = 656,158,923.20 : x
  2. Step 2: Convert to fraction form
    885,741,435.20/1,328,612,152.80 = 656,158,923.20/x
  3. Step 3: Cross multiply
    885,741,435.20x = 1,328,612,152.80 × 656,158,923.20
  4. Step 4: Simplify right side
    885,741,435.20x = 871,780,719,531,681,920
  5. Step 5: Solve for x
    x = 871,780,719,531,681,920/885,741,435.20
  6. Step 6: Final answer
    x = 984,238,384.80

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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.