Home / 896,794,856.40-1,345,192,284.60-550,625,998.80

Finding the Fourth Proportional to 896,794,856.40, 1,345,192,284.60 and 550,625,998.80

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Solution

The fourth proportional to 896,794,856.40, 1,345,192,284.60 and 550,625,998.80 is: 825,938,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,794,856.40 : 1,345,192,284.60 = 550,625,998.80 : x
  2. Step 2: Convert to fraction form
    896,794,856.40/1,345,192,284.60 = 550,625,998.80/x
  3. Step 3: Cross multiply
    896,794,856.40x = 1,345,192,284.60 × 550,625,998.80
  4. Step 4: Simplify right side
    896,794,856.40x = 740,697,845,285,928,704
  5. Step 5: Solve for x
    x = 740,697,845,285,928,704/896,794,856.40
  6. Step 6: Final answer
    x = 825,938,998.20

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Half scale
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Double scale
Find fourth proportional to 896,794,857.40, 1,345,192,286.10 and 550,625,999.80
Similar ratio
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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.