Finding the Fourth Proportional to 605,635,325.88, 908,460,197.82 and 168,909,438.66
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Solution
The fourth proportional to 605,635,325.88, 908,460,197.82 and 168,909,438.66 is: 253,366,168.55
Step by Step Solution
- Step 1: Write the proportion equation
605,635,325.88 : 908,460,197.82 = 168,909,438.66 : x - Step 2: Convert to fraction form
605,635,325.88/908,460,197.82 = 168,909,438.66/x - Step 3: Cross multiply
605,635,325.88x = 908,460,197.82 × 168,909,438.66 - Step 4: Simplify right side
605,635,325.88x = 153,447,502,058,728,768 - Step 5: Solve for x
x = 153,447,502,058,728,768/605,635,325.88 - Step 6: Final answer
x = 253,366,168.55
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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.