Finding the Fourth Proportional to 2,272,537,545.40, 3,138,267,723.78 and 2,148,731,271.28
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Solution
The fourth proportional to 2,272,537,545.40, 3,138,267,723.78 and 2,148,731,271.28 is: 2,967,297,068.15
Step by Step Solution
- Step 1: Write the proportion equation
2,272,537,545.40 : 3,138,267,723.78 = 2,148,731,271.28 : x - Step 2: Convert to fraction form
2,272,537,545.40/3,138,267,723.78 = 2,148,731,271.28/x - Step 3: Cross multiply
2,272,537,545.40x = 3,138,267,723.78 × 2,148,731,271.28 - Step 4: Simplify right side
2,272,537,545.40x = 6,743,293,995,734,792,192 - Step 5: Solve for x
x = 6,743,293,995,734,792,192/2,272,537,545.40 - Step 6: Final answer
x = 2,967,297,068.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.