Home / 1,213,088,851.80-1,819,633,277.70-486,598,944.60

Finding the Fourth Proportional to 1,213,088,851.80, 1,819,633,277.70 and 486,598,944.60

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Solution

The fourth proportional to 1,213,088,851.80, 1,819,633,277.70 and 486,598,944.60 is: 729,898,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,088,851.80 : 1,819,633,277.70 = 486,598,944.60 : x
  2. Step 2: Convert to fraction form
    1,213,088,851.80/1,819,633,277.70 = 486,598,944.60/x
  3. Step 3: Cross multiply
    1,213,088,851.80x = 1,819,633,277.70 × 486,598,944.60
  4. Step 4: Simplify right side
    1,213,088,851.80x = 885,431,632,487,858,816
  5. Step 5: Solve for x
    x = 885,431,632,487,858,816/1,213,088,851.80
  6. Step 6: Final answer
    x = 729,898,416.90

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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.