Home / 1,189,567,214.58-1,641,647,059.38-713,335,118.59

Finding the Fourth Proportional to 1,189,567,214.58, 1,641,647,059.38 and 713,335,118.59

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Solution

The fourth proportional to 1,189,567,214.58, 1,641,647,059.38 and 713,335,118.59 is: 984,429,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,567,214.58 : 1,641,647,059.38 = 713,335,118.59 : x
  2. Step 2: Convert to fraction form
    1,189,567,214.58/1,641,647,059.38 = 713,335,118.59/x
  3. Step 3: Cross multiply
    1,189,567,214.58x = 1,641,647,059.38 × 713,335,118.59
  4. Step 4: Simplify right side
    1,189,567,214.58x = 1,171,044,499,790,448,384
  5. Step 5: Solve for x
    x = 1,171,044,499,790,448,384/1,189,567,214.58
  6. Step 6: Final answer
    x = 984,429,030.52

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Half scale
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Double scale
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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.