Finding the Fourth Proportional to 876,656,235.88, 1,209,905,964.80 and 537,504,716.52
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Solution
The fourth proportional to 876,656,235.88, 1,209,905,964.80 and 537,504,716.52 is: 741,830,304.75
Step by Step Solution
- Step 1: Write the proportion equation
876,656,235.88 : 1,209,905,964.80 = 537,504,716.52 : x - Step 2: Convert to fraction form
876,656,235.88/1,209,905,964.80 = 537,504,716.52/x - Step 3: Cross multiply
876,656,235.88x = 1,209,905,964.80 × 537,504,716.52 - Step 4: Simplify right side
876,656,235.88x = 650,330,162,625,681,024 - Step 5: Solve for x
x = 650,330,162,625,681,024/876,656,235.88 - Step 6: Final answer
x = 741,830,304.75
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1.5x scale
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.