Finding the Fourth Proportional to 2,445,639,247,138.60, 3,374,992,355,067.80 and 1,348,197,747,854
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Solution
The fourth proportional to 2,445,639,247,138.60, 3,374,992,355,067.80 and 1,348,197,747,854 is: 1,860,518,511,653.17
Step by Step Solution
- Step 1: Write the proportion equation
2,445,639,247,138.60 : 3,374,992,355,067.80 = 1,348,197,747,854 : x - Step 2: Convert to fraction form
2,445,639,247,138.60/3,374,992,355,067.80 = 1,348,197,747,854/x - Step 3: Cross multiply
2,445,639,247,138.60x = 3,374,992,355,067.80 × 1,348,197,747,854 - Step 4: Simplify right side
2,445,639,247,138.60x = 4,550,157,092,126,875,222,802,432 - Step 5: Solve for x
x = 4,550,157,092,126,875,222,802,432/2,445,639,247,138.60 - Step 6: Final answer
x = 1,860,518,511,653.17
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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.