Finding the Fourth Proportional to 319,180,134.16, 477,715,290.42 and 290,498,263.48
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Solution
The fourth proportional to 319,180,134.16, 477,715,290.42 and 290,498,263.48 is: 434,787,279.82
Step by Step Solution
- Step 1: Write the proportion equation
319,180,134.16 : 477,715,290.42 = 290,498,263.48 : x - Step 2: Convert to fraction form
319,180,134.16/477,715,290.42 = 290,498,263.48/x - Step 3: Cross multiply
319,180,134.16x = 477,715,290.42 × 290,498,263.48 - Step 4: Simplify right side
319,180,134.16x = 138,775,462,304,853,888 - Step 5: Solve for x
x = 138,775,462,304,853,888/319,180,134.16 - Step 6: Final answer
x = 434,787,279.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.