Home / 1,080,111,011.80-1,620,166,517.70-1,034,761,379.80

Finding the Fourth Proportional to 1,080,111,011.80, 1,620,166,517.70 and 1,034,761,379.80

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Solution

The fourth proportional to 1,080,111,011.80, 1,620,166,517.70 and 1,034,761,379.80 is: 1,552,142,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,111,011.80 : 1,620,166,517.70 = 1,034,761,379.80 : x
  2. Step 2: Convert to fraction form
    1,080,111,011.80/1,620,166,517.70 = 1,034,761,379.80/x
  3. Step 3: Cross multiply
    1,080,111,011.80x = 1,620,166,517.70 × 1,034,761,379.80
  4. Step 4: Simplify right side
    1,080,111,011.80x = 1,676,485,741,361,012,992
  5. Step 5: Solve for x
    x = 1,676,485,741,361,012,992/1,080,111,011.80
  6. Step 6: Final answer
    x = 1,552,142,069.70

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Half scale
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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.