Finding the Fourth Proportional to 349,744,431.24, 522,349,110.93 and 316,889,356.92
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Solution
The fourth proportional to 349,744,431.24, 522,349,110.93 and 316,889,356.92 is: 473,279,512.31
Step by Step Solution
- Step 1: Write the proportion equation
349,744,431.24 : 522,349,110.93 = 316,889,356.92 : x - Step 2: Convert to fraction form
349,744,431.24/522,349,110.93 = 316,889,356.92/x - Step 3: Cross multiply
349,744,431.24x = 522,349,110.93 × 316,889,356.92 - Step 4: Simplify right side
349,744,431.24x = 165,526,873,850,341,440 - Step 5: Solve for x
x = 165,526,873,850,341,440/349,744,431.24 - Step 6: Final answer
x = 473,279,512.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.