Home / 1,101,146,719.80-1,651,720,079.70-665,790,252.60

Finding the Fourth Proportional to 1,101,146,719.80, 1,651,720,079.70 and 665,790,252.60

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Solution

The fourth proportional to 1,101,146,719.80, 1,651,720,079.70 and 665,790,252.60 is: 998,685,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,146,719.80 : 1,651,720,079.70 = 665,790,252.60 : x
  2. Step 2: Convert to fraction form
    1,101,146,719.80/1,651,720,079.70 = 665,790,252.60/x
  3. Step 3: Cross multiply
    1,101,146,719.80x = 1,651,720,079.70 × 665,790,252.60
  4. Step 4: Simplify right side
    1,101,146,719.80x = 1,099,699,129,087,955,200
  5. Step 5: Solve for x
    x = 1,099,699,129,087,955,200/1,101,146,719.80
  6. Step 6: Final answer
    x = 998,685,378.90

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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.