Home / 260,760,386,980.60-391,140,580,470.90-259,107,392,894.20

Finding the Fourth Proportional to 260,760,386,980.60, 391,140,580,470.90 and 259,107,392,894.20

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Solution

The fourth proportional to 260,760,386,980.60, 391,140,580,470.90 and 259,107,392,894.20 is: 388,661,089,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,386,980.60 : 391,140,580,470.90 = 259,107,392,894.20 : x
  2. Step 2: Convert to fraction form
    260,760,386,980.60/391,140,580,470.90 = 259,107,392,894.20/x
  3. Step 3: Cross multiply
    260,760,386,980.60x = 391,140,580,470.90 × 259,107,392,894.20
  4. Step 4: Simplify right side
    260,760,386,980.60x = 101,347,416,060,938,954,997,760
  5. Step 5: Solve for x
    x = 101,347,416,060,938,954,997,760/260,760,386,980.60
  6. Step 6: Final answer
    x = 388,661,089,341.30

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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.