Finding the Fourth Proportional to 605,687,046.20, 908,166,685.62 and 236,782,618.04
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Solution
The fourth proportional to 605,687,046.20, 908,166,685.62 and 236,782,618.04 is: 355,031,673.18
Step by Step Solution
- Step 1: Write the proportion equation
605,687,046.20 : 908,166,685.62 = 236,782,618.04 : x - Step 2: Convert to fraction form
605,687,046.20/908,166,685.62 = 236,782,618.04/x - Step 3: Cross multiply
605,687,046.20x = 908,166,685.62 × 236,782,618.04 - Step 4: Simplify right side
605,687,046.20x = 215,038,085,437,813,216 - Step 5: Solve for x
x = 215,038,085,437,813,216/605,687,046.20 - Step 6: Final answer
x = 355,031,673.18
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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.