Finding the Fourth Proportional to 4,212,248,841.81, 5,813,086,126.06 and 2,332,654,125.64
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Solution
The fourth proportional to 4,212,248,841.81, 5,813,086,126.06 and 2,332,654,125.64 is: 3,219,163,882.27
Step by Step Solution
- Step 1: Write the proportion equation
4,212,248,841.81 : 5,813,086,126.06 = 2,332,654,125.64 : x - Step 2: Convert to fraction form
4,212,248,841.81/5,813,086,126.06 = 2,332,654,125.64/x - Step 3: Cross multiply
4,212,248,841.81x = 5,813,086,126.06 × 2,332,654,125.64 - Step 4: Simplify right side
4,212,248,841.81x = 13,559,919,334,677,164,032 - Step 5: Solve for x
x = 13,559,919,334,677,164,032/4,212,248,841.81 - Step 6: Final answer
x = 3,219,163,882.27
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1.5x scale
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.