Home / 440,396,834.40-660,574,256.40-149,235,400.80

Finding the Fourth Proportional to 440,396,834.40, 660,574,256.40 and 149,235,400.80

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Solution

The fourth proportional to 440,396,834.40, 660,574,256.40 and 149,235,400.80 is: 223,845,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,396,834.40 : 660,574,256.40 = 149,235,400.80 : x
  2. Step 2: Convert to fraction form
    440,396,834.40/660,574,256.40 = 149,235,400.80/x
  3. Step 3: Cross multiply
    440,396,834.40x = 660,574,256.40 × 149,235,400.80
  4. Step 4: Simplify right side
    440,396,834.40x = 98,581,063,912,015,968
  5. Step 5: Solve for x
    x = 98,581,063,912,015,968/440,396,834.40
  6. Step 6: Final answer
    x = 223,845,986.65

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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.