Finding the Fourth Proportional to 2,391,379,957.35, 3,297,172,440.06 and 1,966,508,842.95
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Solution
The fourth proportional to 2,391,379,957.35, 3,297,172,440.06 and 1,966,508,842.95 is: 2,711,371,206.48
Step by Step Solution
- Step 1: Write the proportion equation
2,391,379,957.35 : 3,297,172,440.06 = 1,966,508,842.95 : x - Step 2: Convert to fraction form
2,391,379,957.35/3,297,172,440.06 = 1,966,508,842.95/x - Step 3: Cross multiply
2,391,379,957.35x = 3,297,172,440.06 × 1,966,508,842.95 - Step 4: Simplify right side
2,391,379,957.35x = 6,483,918,760,109,019,136 - Step 5: Solve for x
x = 6,483,918,760,109,019,136/2,391,379,957.35 - Step 6: Final answer
x = 2,711,371,206.48
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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.