Finding the Fourth Proportional to 838,259,609,187.10, 1,257,389,413,780.60 and 460,805,552,124.70
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Solution
The fourth proportional to 838,259,609,187.10, 1,257,389,413,780.60 and 460,805,552,124.70 is: 691,208,328,187.02
Step by Step Solution
- Step 1: Write the proportion equation
838,259,609,187.10 : 1,257,389,413,780.60 = 460,805,552,124.70 : x - Step 2: Convert to fraction form
838,259,609,187.10/1,257,389,413,780.60 = 460,805,552,124.70/x - Step 3: Cross multiply
838,259,609,187.10x = 1,257,389,413,780.60 × 460,805,552,124.70 - Step 4: Simplify right side
838,259,609,187.10x = 579,412,023,052,922,341,294,080 - Step 5: Solve for x
x = 579,412,023,052,922,341,294,080/838,259,609,187.10 - Step 6: Final answer
x = 691,208,328,187.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.