Home / 629,856,661.60-944,784,992.40-307,370,389.60

Finding the Fourth Proportional to 629,856,661.60, 944,784,992.40 and 307,370,389.60

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Solution

The fourth proportional to 629,856,661.60, 944,784,992.40 and 307,370,389.60 is: 461,055,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,661.60 : 944,784,992.40 = 307,370,389.60 : x
  2. Step 2: Convert to fraction form
    629,856,661.60/944,784,992.40 = 307,370,389.60/x
  3. Step 3: Cross multiply
    629,856,661.60x = 944,784,992.40 × 307,370,389.60
  4. Step 4: Simplify right side
    629,856,661.60x = 290,398,931,202,221,056
  5. Step 5: Solve for x
    x = 290,398,931,202,221,056/629,856,661.60
  6. Step 6: Final answer
    x = 461,055,584.40

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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.