Finding the Fourth Proportional to 5,131,649,296.08, 7,081,676,026.56 and 2,784,805,840.08
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Solution
The fourth proportional to 5,131,649,296.08, 7,081,676,026.56 and 2,784,805,840.08 is: 3,843,032,058.21
Step by Step Solution
- Step 1: Write the proportion equation
5,131,649,296.08 : 7,081,676,026.56 = 2,784,805,840.08 : x - Step 2: Convert to fraction form
5,131,649,296.08/7,081,676,026.56 = 2,784,805,840.08/x - Step 3: Cross multiply
5,131,649,296.08x = 7,081,676,026.56 × 2,784,805,840.08 - Step 4: Simplify right side
5,131,649,296.08x = 19,721,092,756,318,818,304 - Step 5: Solve for x
x = 19,721,092,756,318,818,304/5,131,649,296.08 - Step 6: Final answer
x = 3,843,032,058.21
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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.