Home / 1,960,161,906.40-2,940,242,859.60-869,755,199.20

Finding the Fourth Proportional to 1,960,161,906.40, 2,940,242,859.60 and 869,755,199.20

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Solution

The fourth proportional to 1,960,161,906.40, 2,940,242,859.60 and 869,755,199.20 is: 1,304,632,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,161,906.40 : 2,940,242,859.60 = 869,755,199.20 : x
  2. Step 2: Convert to fraction form
    1,960,161,906.40/2,940,242,859.60 = 869,755,199.20/x
  3. Step 3: Cross multiply
    1,960,161,906.40x = 2,940,242,859.60 × 869,755,199.20
  4. Step 4: Simplify right side
    1,960,161,906.40x = 2,557,291,514,047,775,744
  5. Step 5: Solve for x
    x = 2,557,291,514,047,775,744/1,960,161,906.40
  6. Step 6: Final answer
    x = 1,304,632,798.80

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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.