Finding the Fourth Proportional to 1,098,135,805.98, 1,647,202,317.93 and 280,248,125.34
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Solution
The fourth proportional to 1,098,135,805.98, 1,647,202,317.93 and 280,248,125.34 is: 420,371,833.01
Step by Step Solution
- Step 1: Write the proportion equation
1,098,135,805.98 : 1,647,202,317.93 = 280,248,125.34 : x - Step 2: Convert to fraction form
1,098,135,805.98/1,647,202,317.93 = 280,248,125.34/x - Step 3: Cross multiply
1,098,135,805.98x = 1,647,202,317.93 × 280,248,125.34 - Step 4: Simplify right side
1,098,135,805.98x = 461,625,361,655,585,152 - Step 5: Solve for x
x = 461,625,361,655,585,152/1,098,135,805.98 - Step 6: Final answer
x = 420,371,833.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.