Home / 1,241,387,189.32-1,713,190,786.86-684,468,514.12

Finding the Fourth Proportional to 1,241,387,189.32, 1,713,190,786.86 and 684,468,514.12

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Solution

The fourth proportional to 1,241,387,189.32, 1,713,190,786.86 and 684,468,514.12 is: 944,608,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,387,189.32 : 1,713,190,786.86 = 684,468,514.12 : x
  2. Step 2: Convert to fraction form
    1,241,387,189.32/1,713,190,786.86 = 684,468,514.12/x
  3. Step 3: Cross multiply
    1,241,387,189.32x = 1,713,190,786.86 × 684,468,514.12
  4. Step 4: Simplify right side
    1,241,387,189.32x = 1,172,625,152,286,137,856
  5. Step 5: Solve for x
    x = 1,172,625,152,286,137,856/1,241,387,189.32
  6. Step 6: Final answer
    x = 944,608,710.62

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Half scale
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Double scale
Find fourth proportional to 1,241,387,190.32, 1,713,190,788.24 and 684,468,515.12
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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.