Finding the Fourth Proportional to 4,212,248,845.20, 5,813,086,130.71 and 2,332,654,129.02
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Solution
The fourth proportional to 4,212,248,845.20, 5,813,086,130.71 and 2,332,654,129.02 is: 3,219,163,886.92
Step by Step Solution
- Step 1: Write the proportion equation
4,212,248,845.20 : 5,813,086,130.71 = 2,332,654,129.02 : x - Step 2: Convert to fraction form
4,212,248,845.20/5,813,086,130.71 = 2,332,654,129.02/x - Step 3: Cross multiply
4,212,248,845.20x = 5,813,086,130.71 × 2,332,654,129.02 - Step 4: Simplify right side
4,212,248,845.20x = 13,559,919,365,165,256,704 - Step 5: Solve for x
x = 13,559,919,365,165,256,704/4,212,248,845.20 - Step 6: Final answer
x = 3,219,163,886.92
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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.