Finding the Fourth Proportional to 471,463,916.22, 650,620,805.18 and 256,881,545.15
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Solution
The fourth proportional to 471,463,916.22, 650,620,805.18 and 256,881,545.15 is: 354,496,859.65
Step by Step Solution
- Step 1: Write the proportion equation
471,463,916.22 : 650,620,805.18 = 256,881,545.15 : x - Step 2: Convert to fraction form
471,463,916.22/650,620,805.18 = 256,881,545.15/x - Step 3: Cross multiply
471,463,916.22x = 650,620,805.18 × 256,881,545.15 - Step 4: Simplify right side
471,463,916.22x = 167,132,477,736,838,016 - Step 5: Solve for x
x = 167,132,477,736,838,016/471,463,916.22 - Step 6: Final answer
x = 354,496,859.65
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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.