Finding the Fourth Proportional to 608,736,400, 912,912,792 and 199,697,234.56
Calculator
Solution
The fourth proportional to 608,736,400, 912,912,792 and 199,697,234.56 is: 299,482,928.83
Step by Step Solution
- Step 1: Write the proportion equation
608,736,400 : 912,912,792 = 199,697,234.56 : x - Step 2: Convert to fraction form
608,736,400/912,912,792 = 199,697,234.56/x - Step 3: Cross multiply
608,736,400x = 912,912,792 × 199,697,234.56 - Step 4: Simplify right side
608,736,400x = 182,306,159,956,848,480 - Step 5: Solve for x
x = 182,306,159,956,848,480/608,736,400 - Step 6: Final answer
x = 299,482,928.83
Related Problems
Find fourth proportional to 304,368,200, 456,456,396 and 99,848,617.28
Half scale
Find fourth proportional to 1,217,472,800, 1,825,825,584 and 399,394,469.12
Double scale
Find fourth proportional to 608,736,401, 912,912,793.50 and 199,697,235.56
Similar ratio
Find fourth proportional to 913,104,600, 1,369,369,188 and 299,545,851.84
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.