Finding the Fourth Proportional to 7,701,481,104.09, 10,638,013,544.73 and 6,368,754,621.93
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Solution
The fourth proportional to 7,701,481,104.09, 10,638,013,544.73 and 6,368,754,621.93 is: 8,797,125,775.61
Step by Step Solution
- Step 1: Write the proportion equation
7,701,481,104.09 : 10,638,013,544.73 = 6,368,754,621.93 : x - Step 2: Convert to fraction form
7,701,481,104.09/10,638,013,544.73 = 6,368,754,621.93/x - Step 3: Cross multiply
7,701,481,104.09x = 10,638,013,544.73 × 6,368,754,621.93 - Step 4: Simplify right side
7,701,481,104.09x = 67,750,897,931,153,129,472 - Step 5: Solve for x
x = 67,750,897,931,153,129,472/7,701,481,104.09 - Step 6: Final answer
x = 8,797,125,775.61
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1.5x scale
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.