Home / 1,078,188,995.57-1,613,028,200.04-816,627,022.61

Finding the Fourth Proportional to 1,078,188,995.57, 1,613,028,200.04 and 816,627,022.61

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Solution

The fourth proportional to 1,078,188,995.57, 1,613,028,200.04 and 816,627,022.61 is: 1,221,717,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,188,995.57 : 1,613,028,200.04 = 816,627,022.61 : x
  2. Step 2: Convert to fraction form
    1,078,188,995.57/1,613,028,200.04 = 816,627,022.61/x
  3. Step 3: Cross multiply
    1,078,188,995.57x = 1,613,028,200.04 × 816,627,022.61
  4. Step 4: Simplify right side
    1,078,188,995.57x = 1,317,242,416,376,567,552
  5. Step 5: Solve for x
    x = 1,317,242,416,376,567,552/1,078,188,995.57
  6. Step 6: Final answer
    x = 1,221,717,548.40

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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.