Finding the Fourth Proportional to 2,876,176,499.12, 3,971,864,812.88 and 2,719,484,192.67
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Solution
The fourth proportional to 2,876,176,499.12, 3,971,864,812.88 and 2,719,484,192.67 is: 3,755,480,088.70
Step by Step Solution
- Step 1: Write the proportion equation
2,876,176,499.12 : 3,971,864,812.88 = 2,719,484,192.67 : x - Step 2: Convert to fraction form
2,876,176,499.12/3,971,864,812.88 = 2,719,484,192.67/x - Step 3: Cross multiply
2,876,176,499.12x = 3,971,864,812.88 × 2,719,484,192.67 - Step 4: Simplify right side
2,876,176,499.12x = 10,801,423,574,029,488,128 - Step 5: Solve for x
x = 10,801,423,574,029,488,128/2,876,176,499.12 - Step 6: Final answer
x = 3,755,480,088.70
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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.