Finding the Fourth Proportional to 2,921,298,771,656.70, 4,029,717,385,522.80 and 1,821,972,816,404
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Solution
The fourth proportional to 2,921,298,771,656.70, 4,029,717,385,522.80 and 1,821,972,816,404 is: 2,513,277,863,068.21
Step by Step Solution
- Step 1: Write the proportion equation
2,921,298,771,656.70 : 4,029,717,385,522.80 = 1,821,972,816,404 : x - Step 2: Convert to fraction form
2,921,298,771,656.70/4,029,717,385,522.80 = 1,821,972,816,404/x - Step 3: Cross multiply
2,921,298,771,656.70x = 4,029,717,385,522.80 × 1,821,972,816,404 - Step 4: Simplify right side
2,921,298,771,656.70x = 7,342,035,534,213,139,203,620,864 - Step 5: Solve for x
x = 7,342,035,534,213,139,203,620,864/2,921,298,771,656.70 - Step 6: Final answer
x = 2,513,277,863,068.21
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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.