Finding the Fourth Proportional to 403,608,590,512.12, 556,717,412,897.58 and 258,863,453,063.92
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Solution
The fourth proportional to 403,608,590,512.12, 556,717,412,897.58 and 258,863,453,063.92 is: 357,063,242,139.17
Step by Step Solution
- Step 1: Write the proportion equation
403,608,590,512.12 : 556,717,412,897.58 = 258,863,453,063.92 : x - Step 2: Convert to fraction form
403,608,590,512.12/556,717,412,897.58 = 258,863,453,063.92/x - Step 3: Cross multiply
403,608,590,512.12x = 556,717,412,897.58 × 258,863,453,063.92 - Step 4: Simplify right side
403,608,590,512.12x = 144,113,791,883,479,663,771,648 - Step 5: Solve for x
x = 144,113,791,883,479,663,771,648/403,608,590,512.12 - Step 6: Final answer
x = 357,063,242,139.17
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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.