Finding the Fourth Proportional to 2,921,298,771,656, 4,029,717,385,521.20 and 1,821,972,816,403.10
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Solution
The fourth proportional to 2,921,298,771,656, 4,029,717,385,521.20 and 1,821,972,816,403.10 is: 2,513,277,863,066.57
Step by Step Solution
- Step 1: Write the proportion equation
2,921,298,771,656 : 4,029,717,385,521.20 = 1,821,972,816,403.10 : x - Step 2: Convert to fraction form
2,921,298,771,656/4,029,717,385,521.20 = 1,821,972,816,403.10/x - Step 3: Cross multiply
2,921,298,771,656x = 4,029,717,385,521.20 × 1,821,972,816,403.10 - Step 4: Simplify right side
2,921,298,771,656x = 7,342,035,534,206,597,968,429,056 - Step 5: Solve for x
x = 7,342,035,534,206,597,968,429,056/2,921,298,771,656 - Step 6: Final answer
x = 2,513,277,863,066.57
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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.