Finding the Fourth Proportional to 348,541,305.10, 522,811,957.65 and 310,917,906.70
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Solution
The fourth proportional to 348,541,305.10, 522,811,957.65 and 310,917,906.70 is: 466,376,860.05
Step by Step Solution
- Step 1: Write the proportion equation
348,541,305.10 : 522,811,957.65 = 310,917,906.70 : x - Step 2: Convert to fraction form
348,541,305.10/522,811,957.65 = 310,917,906.70/x - Step 3: Cross multiply
348,541,305.10x = 522,811,957.65 × 310,917,906.70 - Step 4: Simplify right side
348,541,305.10x = 162,551,599,470,267,040 - Step 5: Solve for x
x = 162,551,599,470,267,040/348,541,305.10 - Step 6: Final answer
x = 466,376,860.05
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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.