Finding the Fourth Proportional to 2,450,131,642,781.80, 3,381,478,158,879 and 1,394,487,103,248.20
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Solution
The fourth proportional to 2,450,131,642,781.80, 3,381,478,158,879 and 1,394,487,103,248.20 is: 1,924,560,950,169.39
Step by Step Solution
- Step 1: Write the proportion equation
2,450,131,642,781.80 : 3,381,478,158,879 = 1,394,487,103,248.20 : x - Step 2: Convert to fraction form
2,450,131,642,781.80/3,381,478,158,879 = 1,394,487,103,248.20/x - Step 3: Cross multiply
2,450,131,642,781.80x = 3,381,478,158,879 × 1,394,487,103,248.20 - Step 4: Simplify right side
2,450,131,642,781.80x = 4,715,427,682,472,233,374,056,448 - Step 5: Solve for x
x = 4,715,427,682,472,233,374,056,448/2,450,131,642,781.80 - Step 6: Final answer
x = 1,924,560,950,169.39
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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.