Finding the Fourth Proportional to 440,621,860.99, 660,792,569.01 and 145,462,023.98
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Solution
The fourth proportional to 440,621,860.99, 660,792,569.01 and 145,462,023.98 is: 218,146,744.48
Step by Step Solution
- Step 1: Write the proportion equation
440,621,860.99 : 660,792,569.01 = 145,462,023.98 : x - Step 2: Convert to fraction form
440,621,860.99/660,792,569.01 = 145,462,023.98/x - Step 3: Cross multiply
440,621,860.99x = 660,792,569.01 × 145,462,023.98 - Step 4: Simplify right side
440,621,860.99x = 96,120,224,520,644,912 - Step 5: Solve for x
x = 96,120,224,520,644,912/440,621,860.99 - Step 6: Final answer
x = 218,146,744.48
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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.