Home / 279,803,944,809.20-419,705,917,213.80-274,225,089,767.60

Finding the Fourth Proportional to 279,803,944,809.20, 419,705,917,213.80 and 274,225,089,767.60

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Solution

The fourth proportional to 279,803,944,809.20, 419,705,917,213.80 and 274,225,089,767.60 is: 411,337,634,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,803,944,809.20 : 419,705,917,213.80 = 274,225,089,767.60 : x
  2. Step 2: Convert to fraction form
    279,803,944,809.20/419,705,917,213.80 = 274,225,089,767.60/x
  3. Step 3: Cross multiply
    279,803,944,809.20x = 419,705,917,213.80 × 274,225,089,767.60
  4. Step 4: Simplify right side
    279,803,944,809.20x = 115,093,892,823,947,199,643,648
  5. Step 5: Solve for x
    x = 115,093,892,823,947,199,643,648/279,803,944,809.20
  6. Step 6: Final answer
    x = 411,337,634,651.40

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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.