Finding the Fourth Proportional to 806,169,089.36, 1,209,445,536 and 260,910,623.36
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Solution
The fourth proportional to 806,169,089.36, 1,209,445,536 and 260,910,623.36 is: 391,428,042.68
Step by Step Solution
- Step 1: Write the proportion equation
806,169,089.36 : 1,209,445,536 = 260,910,623.36 : x - Step 2: Convert to fraction form
806,169,089.36/1,209,445,536 = 260,910,623.36/x - Step 3: Cross multiply
806,169,089.36x = 1,209,445,536 × 260,910,623.36 - Step 4: Simplify right side
806,169,089.36x = 315,557,188,717,729,344 - Step 5: Solve for x
x = 315,557,188,717,729,344/806,169,089.36 - Step 6: Final answer
x = 391,428,042.68
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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.