Finding the Fourth Proportional to 943,639,541,534.85, 1,415,304,344,105.50 and 406,272,830,895.80
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Solution
The fourth proportional to 943,639,541,534.85, 1,415,304,344,105.50 and 406,272,830,895.80 is: 609,342,526,621.57
Step by Step Solution
- Step 1: Write the proportion equation
943,639,541,534.85 : 1,415,304,344,105.50 = 406,272,830,895.80 : x - Step 2: Convert to fraction form
943,639,541,534.85/1,415,304,344,105.50 = 406,272,830,895.80/x - Step 3: Cross multiply
943,639,541,534.85x = 1,415,304,344,105.50 × 406,272,830,895.80 - Step 4: Simplify right side
943,639,541,534.85x = 574,999,702,458,864,939,040,768 - Step 5: Solve for x
x = 574,999,702,458,864,939,040,768/943,639,541,534.85 - Step 6: Final answer
x = 609,342,526,621.57
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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.