Finding the Fourth Proportional to 330,953,787.30, 456,748,486.16 and 247,176,471.26
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Solution
The fourth proportional to 330,953,787.30, 456,748,486.16 and 247,176,471.26 is: 341,127,623.84
Step by Step Solution
- Step 1: Write the proportion equation
330,953,787.30 : 456,748,486.16 = 247,176,471.26 : x - Step 2: Convert to fraction form
330,953,787.30/456,748,486.16 = 247,176,471.26/x - Step 3: Cross multiply
330,953,787.30x = 456,748,486.16 × 247,176,471.26 - Step 4: Simplify right side
330,953,787.30x = 112,897,479,062,375,744 - Step 5: Solve for x
x = 112,897,479,062,375,744/330,953,787.30 - Step 6: Final answer
x = 341,127,623.84
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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.