Home / 1,241,387,191.32-1,713,190,789.62-684,468,516.12

Finding the Fourth Proportional to 1,241,387,191.32, 1,713,190,789.62 and 684,468,516.12

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Solution

The fourth proportional to 1,241,387,191.32, 1,713,190,789.62 and 684,468,516.12 is: 944,608,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,387,191.32 : 1,713,190,789.62 = 684,468,516.12 : x
  2. Step 2: Convert to fraction form
    1,241,387,191.32/1,713,190,789.62 = 684,468,516.12/x
  3. Step 3: Cross multiply
    1,241,387,191.32x = 1,713,190,789.62 × 684,468,516.12
  4. Step 4: Simplify right side
    1,241,387,191.32x = 1,172,625,157,601,652,480
  5. Step 5: Solve for x
    x = 1,172,625,157,601,652,480/1,241,387,191.32
  6. Step 6: Final answer
    x = 944,608,713.38

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Half scale
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Double scale
Find fourth proportional to 1,241,387,192.32, 1,713,190,791 and 684,468,517.12
Similar ratio
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1.5x scale

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.