Home / 255,301,632,003.20-382,952,448,004.80-115,987,562,499.20

Finding the Fourth Proportional to 255,301,632,003.20, 382,952,448,004.80 and 115,987,562,499.20

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Solution

The fourth proportional to 255,301,632,003.20, 382,952,448,004.80 and 115,987,562,499.20 is: 173,981,343,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,301,632,003.20 : 382,952,448,004.80 = 115,987,562,499.20 : x
  2. Step 2: Convert to fraction form
    255,301,632,003.20/382,952,448,004.80 = 115,987,562,499.20/x
  3. Step 3: Cross multiply
    255,301,632,003.20x = 382,952,448,004.80 × 115,987,562,499.20
  4. Step 4: Simplify right side
    255,301,632,003.20x = 44,417,720,997,178,375,143,424
  5. Step 5: Solve for x
    x = 44,417,720,997,178,375,143,424/255,301,632,003.20
  6. Step 6: Final answer
    x = 173,981,343,748.80

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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.