Home / 1,183,723,105.60-1,775,584,658.40-639,527,521.60

Finding the Fourth Proportional to 1,183,723,105.60, 1,775,584,658.40 and 639,527,521.60

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Solution

The fourth proportional to 1,183,723,105.60, 1,775,584,658.40 and 639,527,521.60 is: 959,291,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,723,105.60 : 1,775,584,658.40 = 639,527,521.60 : x
  2. Step 2: Convert to fraction form
    1,183,723,105.60/1,775,584,658.40 = 639,527,521.60/x
  3. Step 3: Cross multiply
    1,183,723,105.60x = 1,775,584,658.40 × 639,527,521.60
  4. Step 4: Simplify right side
    1,183,723,105.60x = 1,135,535,255,977,534,720
  5. Step 5: Solve for x
    x = 1,135,535,255,977,534,720/1,183,723,105.60
  6. Step 6: Final answer
    x = 959,291,282.40

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Double scale
Find fourth proportional to 1,183,723,106.60, 1,775,584,659.90 and 639,527,522.60
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.