Finding the Fourth Proportional to 988,339,653.51, 1,482,503,058.68 and 251,403,261.97
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Solution
The fourth proportional to 988,339,653.51, 1,482,503,058.68 and 251,403,261.97 is: 377,103,259.50
Step by Step Solution
- Step 1: Write the proportion equation
988,339,653.51 : 1,482,503,058.68 = 251,403,261.97 : x - Step 2: Convert to fraction form
988,339,653.51/1,482,503,058.68 = 251,403,261.97/x - Step 3: Cross multiply
988,339,653.51x = 1,482,503,058.68 × 251,403,261.97 - Step 4: Simplify right side
988,339,653.51x = 372,706,104,832,654,336 - Step 5: Solve for x
x = 372,706,104,832,654,336/988,339,653.51 - Step 6: Final answer
x = 377,103,259.50
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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.