Finding the Fourth Proportional to 415,073,670.15, 572,805,476.16 and 236,454,911.26
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Solution
The fourth proportional to 415,073,670.15, 572,805,476.16 and 236,454,911.26 is: 326,309,948.75
Step by Step Solution
- Step 1: Write the proportion equation
415,073,670.15 : 572,805,476.16 = 236,454,911.26 : x - Step 2: Convert to fraction form
415,073,670.15/572,805,476.16 = 236,454,911.26/x - Step 3: Cross multiply
415,073,670.15x = 572,805,476.16 × 236,454,911.26 - Step 4: Simplify right side
415,073,670.15x = 135,442,668,034,654,832 - Step 5: Solve for x
x = 135,442,668,034,654,832/415,073,670.15 - Step 6: Final answer
x = 326,309,948.75
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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.