Finding the Fourth Proportional to 540,765,058.72, 746,255,979.84 and 293,246,347.36
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Solution
The fourth proportional to 540,765,058.72, 746,255,979.84 and 293,246,347.36 is: 404,680,067.17
Step by Step Solution
- Step 1: Write the proportion equation
540,765,058.72 : 746,255,979.84 = 293,246,347.36 : x - Step 2: Convert to fraction form
540,765,058.72/746,255,979.84 = 293,246,347.36/x - Step 3: Cross multiply
540,765,058.72x = 746,255,979.84 × 293,246,347.36 - Step 4: Simplify right side
540,765,058.72x = 218,836,840,283,637,824 - Step 5: Solve for x
x = 218,836,840,283,637,824/540,765,058.72 - Step 6: Final answer
x = 404,680,067.17
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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.