Home / 1,086,115,807.80-1,629,173,711.70-650,759,340.60

Finding the Fourth Proportional to 1,086,115,807.80, 1,629,173,711.70 and 650,759,340.60

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Solution

The fourth proportional to 1,086,115,807.80, 1,629,173,711.70 and 650,759,340.60 is: 976,139,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,115,807.80 : 1,629,173,711.70 = 650,759,340.60 : x
  2. Step 2: Convert to fraction form
    1,086,115,807.80/1,629,173,711.70 = 650,759,340.60/x
  3. Step 3: Cross multiply
    1,086,115,807.80x = 1,629,173,711.70 × 650,759,340.60
  4. Step 4: Simplify right side
    1,086,115,807.80x = 1,060,200,010,348,746,624
  5. Step 5: Solve for x
    x = 1,060,200,010,348,746,624/1,086,115,807.80
  6. Step 6: Final answer
    x = 976,139,010.90

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Double scale
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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.