Home / 556,582,527.20-834,873,790.80-505,522,200.80

Finding the Fourth Proportional to 556,582,527.20, 834,873,790.80 and 505,522,200.80

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Solution

The fourth proportional to 556,582,527.20, 834,873,790.80 and 505,522,200.80 is: 758,283,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,582,527.20 : 834,873,790.80 = 505,522,200.80 : x
  2. Step 2: Convert to fraction form
    556,582,527.20/834,873,790.80 = 505,522,200.80/x
  3. Step 3: Cross multiply
    556,582,527.20x = 834,873,790.80 × 505,522,200.80
  4. Step 4: Simplify right side
    556,582,527.20x = 422,047,236,115,454,784
  5. Step 5: Solve for x
    x = 422,047,236,115,454,784/556,582,527.20
  6. Step 6: Final answer
    x = 758,283,301.20

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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.