Finding the Fourth Proportional to 372,102,723, 513,501,757.74 and 207,129,264.84
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Solution
The fourth proportional to 372,102,723, 513,501,757.74 and 207,129,264.84 is: 285,838,385.48
Step by Step Solution
- Step 1: Write the proportion equation
372,102,723 : 513,501,757.74 = 207,129,264.84 : x - Step 2: Convert to fraction form
372,102,723/513,501,757.74 = 207,129,264.84/x - Step 3: Cross multiply
372,102,723x = 513,501,757.74 × 207,129,264.84 - Step 4: Simplify right side
372,102,723x = 106,361,241,574,733,984 - Step 5: Solve for x
x = 106,361,241,574,733,984/372,102,723 - Step 6: Final answer
x = 285,838,385.48
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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.