Finding the Fourth Proportional to 605,635,278.40, 908,460,126.66 and 168,909,391.08
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Solution
The fourth proportional to 605,635,278.40, 908,460,126.66 and 168,909,391.08 is: 253,366,097.20
Step by Step Solution
- Step 1: Write the proportion equation
605,635,278.40 : 908,460,126.66 = 168,909,391.08 : x - Step 2: Convert to fraction form
605,635,278.40/908,460,126.66 = 168,909,391.08/x - Step 3: Cross multiply
605,635,278.40x = 908,460,126.66 × 168,909,391.08 - Step 4: Simplify right side
605,635,278.40x = 153,447,446,814,600,288 - Step 5: Solve for x
x = 153,447,446,814,600,288/605,635,278.40 - Step 6: Final answer
x = 253,366,097.20
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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.