Finding the Fourth Proportional to 7,720,131,244.74, 11,578,283,678.97 and 2,199,437,106.18
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Solution
The fourth proportional to 7,720,131,244.74, 11,578,283,678.97 and 2,199,437,106.18 is: 3,298,610,598.98
Step by Step Solution
- Step 1: Write the proportion equation
7,720,131,244.74 : 11,578,283,678.97 = 2,199,437,106.18 : x - Step 2: Convert to fraction form
7,720,131,244.74/11,578,283,678.97 = 2,199,437,106.18/x - Step 3: Cross multiply
7,720,131,244.74x = 11,578,283,678.97 × 2,199,437,106.18 - Step 4: Simplify right side
7,720,131,244.74x = 25,465,706,749,404,897,280 - Step 5: Solve for x
x = 25,465,706,749,404,897,280/7,720,131,244.74 - Step 6: Final answer
x = 3,298,610,598.98
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1.5x scale
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.