Finding the Fourth Proportional to 341,586,128.70, 471,036,543.57 and 292,190,031.54
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Solution
The fourth proportional to 341,586,128.70, 471,036,543.57 and 292,190,031.54 is: 402,920,876.93
Step by Step Solution
- Step 1: Write the proportion equation
341,586,128.70 : 471,036,543.57 = 292,190,031.54 : x - Step 2: Convert to fraction form
341,586,128.70/471,036,543.57 = 292,190,031.54/x - Step 3: Cross multiply
341,586,128.70x = 471,036,543.57 × 292,190,031.54 - Step 4: Simplify right side
341,586,128.70x = 137,632,182,522,210,896 - Step 5: Solve for x
x = 137,632,182,522,210,896/341,586,128.70 - Step 6: Final answer
x = 402,920,876.93
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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.