Finding the Fourth Proportional to 8,637,608,881.68, 11,919,897,351.90 and 4,677,310,549.68
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Solution
The fourth proportional to 8,637,608,881.68, 11,919,897,351.90 and 4,677,310,549.68 is: 6,454,686,985.58
Step by Step Solution
- Step 1: Write the proportion equation
8,637,608,881.68 : 11,919,897,351.90 = 4,677,310,549.68 : x - Step 2: Convert to fraction form
8,637,608,881.68/11,919,897,351.90 = 4,677,310,549.68/x - Step 3: Cross multiply
8,637,608,881.68x = 11,919,897,351.90 × 4,677,310,549.68 - Step 4: Simplify right side
8,637,608,881.68x = 55,753,061,635,144,564,736 - Step 5: Solve for x
x = 55,753,061,635,144,564,736/8,637,608,881.68 - Step 6: Final answer
x = 6,454,686,985.58
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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.