Finding the Fourth Proportional to 228,695,835,713.46, 316,053,070,531.98 and 187,431,130,481.17
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Solution
The fourth proportional to 228,695,835,713.46, 316,053,070,531.98 and 187,431,130,481.17 is: 259,026,073,286.60
Step by Step Solution
- Step 1: Write the proportion equation
228,695,835,713.46 : 316,053,070,531.98 = 187,431,130,481.17 : x - Step 2: Convert to fraction form
228,695,835,713.46/316,053,070,531.98 = 187,431,130,481.17/x - Step 3: Cross multiply
228,695,835,713.46x = 316,053,070,531.98 × 187,431,130,481.17 - Step 4: Simplify right side
228,695,835,713.46x = 59,238,184,301,853,967,122,432 - Step 5: Solve for x
x = 59,238,184,301,853,967,122,432/228,695,835,713.46 - Step 6: Final answer
x = 259,026,073,286.60
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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.