Finding the Fourth Proportional to 302,005,787.91, 416,719,275.99 and 169,838,902.32
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Solution
The fourth proportional to 302,005,787.91, 416,719,275.99 and 169,838,902.32 is: 234,350,291.43
Step by Step Solution
- Step 1: Write the proportion equation
302,005,787.91 : 416,719,275.99 = 169,838,902.32 : x - Step 2: Convert to fraction form
302,005,787.91/416,719,275.99 = 169,838,902.32/x - Step 3: Cross multiply
302,005,787.91x = 416,719,275.99 × 169,838,902.32 - Step 4: Simplify right side
302,005,787.91x = 70,775,144,409,726,728 - Step 5: Solve for x
x = 70,775,144,409,726,728/302,005,787.91 - Step 6: Final answer
x = 234,350,291.43
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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.