Finding the Fourth Proportional to 1,001,665,078.17, 1,382,292,715.98 and 555,623,823.62
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Solution
The fourth proportional to 1,001,665,078.17, 1,382,292,715.98 and 555,623,823.62 is: 766,758,052.11
Step by Step Solution
- Step 1: Write the proportion equation
1,001,665,078.17 : 1,382,292,715.98 = 555,623,823.62 : x - Step 2: Convert to fraction form
1,001,665,078.17/1,382,292,715.98 = 555,623,823.62/x - Step 3: Cross multiply
1,001,665,078.17x = 1,382,292,715.98 × 555,623,823.62 - Step 4: Simplify right side
1,001,665,078.17x = 768,034,764,207,970,816 - Step 5: Solve for x
x = 768,034,764,207,970,816/1,001,665,078.17 - Step 6: Final answer
x = 766,758,052.11
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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.