Home / 1,192,384,879.50-1,788,577,319.25-330,741,871.50

Finding the Fourth Proportional to 1,192,384,879.50, 1,788,577,319.25 and 330,741,871.50

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Solution

The fourth proportional to 1,192,384,879.50, 1,788,577,319.25 and 330,741,871.50 is: 496,112,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,384,879.50 : 1,788,577,319.25 = 330,741,871.50 : x
  2. Step 2: Convert to fraction form
    1,192,384,879.50/1,788,577,319.25 = 330,741,871.50/x
  3. Step 3: Cross multiply
    1,192,384,879.50x = 1,788,577,319.25 × 330,741,871.50
  4. Step 4: Simplify right side
    1,192,384,879.50x = 591,557,409,891,197,952
  5. Step 5: Solve for x
    x = 591,557,409,891,197,952/1,192,384,879.50
  6. Step 6: Final answer
    x = 496,112,807.25

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Double scale
Find fourth proportional to 1,192,384,880.50, 1,788,577,320.75 and 330,741,872.50
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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.