Home / 1,106,639,142.80-1,659,958,714.20-340,734,246.80

Finding the Fourth Proportional to 1,106,639,142.80, 1,659,958,714.20 and 340,734,246.80

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Solution

The fourth proportional to 1,106,639,142.80, 1,659,958,714.20 and 340,734,246.80 is: 511,101,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,639,142.80 : 1,659,958,714.20 = 340,734,246.80 : x
  2. Step 2: Convert to fraction form
    1,106,639,142.80/1,659,958,714.20 = 340,734,246.80/x
  3. Step 3: Cross multiply
    1,106,639,142.80x = 1,659,958,714.20 × 340,734,246.80
  4. Step 4: Simplify right side
    1,106,639,142.80x = 565,604,782,202,033,472
  5. Step 5: Solve for x
    x = 565,604,782,202,033,472/1,106,639,142.80
  6. Step 6: Final answer
    x = 511,101,370.20

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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.