Finding the Fourth Proportional to 11,816,565,316.47, 16,306,811,379.95 and 6,391,106,982.81
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Solution
The fourth proportional to 11,816,565,316.47, 16,306,811,379.95 and 6,391,106,982.81 is: 8,819,701,265.69
Step by Step Solution
- Step 1: Write the proportion equation
11,816,565,316.47 : 16,306,811,379.95 = 6,391,106,982.81 : x - Step 2: Convert to fraction form
11,816,565,316.47/16,306,811,379.95 = 6,391,106,982.81/x - Step 3: Cross multiply
11,816,565,316.47x = 16,306,811,379.95 × 6,391,106,982.81 - Step 4: Simplify right side
11,816,565,316.47x = 104,218,576,077,732,069,376 - Step 5: Solve for x
x = 104,218,576,077,732,069,376/11,816,565,316.47 - Step 6: Final answer
x = 8,819,701,265.69
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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.