Home / 255,940,351,868.12-353,063,778,893.85-158,250,765,351.70

Finding the Fourth Proportional to 255,940,351,868.12, 353,063,778,893.85 and 158,250,765,351.70

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Solution

The fourth proportional to 255,940,351,868.12, 353,063,778,893.85 and 158,250,765,351.70 is: 218,303,260,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,940,351,868.12 : 353,063,778,893.85 = 158,250,765,351.70 : x
  2. Step 2: Convert to fraction form
    255,940,351,868.12/353,063,778,893.85 = 158,250,765,351.70/x
  3. Step 3: Cross multiply
    255,940,351,868.12x = 353,063,778,893.85 × 158,250,765,351.70
  4. Step 4: Simplify right side
    255,940,351,868.12x = 55,872,613,227,915,143,806,976
  5. Step 5: Solve for x
    x = 55,872,613,227,915,143,806,976/255,940,351,868.12
  6. Step 6: Final answer
    x = 218,303,260,193.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.