Home / 1,028,162,792.04-1,418,824,858.26-558,253,357.80

Finding the Fourth Proportional to 1,028,162,792.04, 1,418,824,858.26 and 558,253,357.80

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Solution

The fourth proportional to 1,028,162,792.04, 1,418,824,858.26 and 558,253,357.80 is: 770,368,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,162,792.04 : 1,418,824,858.26 = 558,253,357.80 : x
  2. Step 2: Convert to fraction form
    1,028,162,792.04/1,418,824,858.26 = 558,253,357.80/x
  3. Step 3: Cross multiply
    1,028,162,792.04x = 1,418,824,858.26 × 558,253,357.80
  4. Step 4: Simplify right side
    1,028,162,792.04x = 792,063,741,253,753,984
  5. Step 5: Solve for x
    x = 792,063,741,253,753,984/1,028,162,792.04
  6. Step 6: Final answer
    x = 770,368,026.72

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Half scale
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Double scale
Find fourth proportional to 1,028,162,793.04, 1,418,824,859.64 and 558,253,358.80
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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.