Home / 1,304,522,668.80-1,956,784,003.20-442,879,660.80

Finding the Fourth Proportional to 1,304,522,668.80, 1,956,784,003.20 and 442,879,660.80

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Solution

The fourth proportional to 1,304,522,668.80, 1,956,784,003.20 and 442,879,660.80 is: 664,319,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,522,668.80 : 1,956,784,003.20 = 442,879,660.80 : x
  2. Step 2: Convert to fraction form
    1,304,522,668.80/1,956,784,003.20 = 442,879,660.80/x
  3. Step 3: Cross multiply
    1,304,522,668.80x = 1,956,784,003.20 × 442,879,660.80
  4. Step 4: Simplify right side
    1,304,522,668.80x = 866,619,835,596,082,176
  5. Step 5: Solve for x
    x = 866,619,835,596,082,176/1,304,522,668.80
  6. Step 6: Final answer
    x = 664,319,491.20

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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.