Finding the Fourth Proportional to 2,359,467,206.47, 3,539,667,042.81 and 865,512,620.84
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Solution
The fourth proportional to 2,359,467,206.47, 3,539,667,042.81 and 865,512,620.84 is: 1,298,439,957.43
Step by Step Solution
- Step 1: Write the proportion equation
2,359,467,206.47 : 3,539,667,042.81 = 865,512,620.84 : x - Step 2: Convert to fraction form
2,359,467,206.47/3,539,667,042.81 = 865,512,620.84/x - Step 3: Cross multiply
2,359,467,206.47x = 3,539,667,042.81 × 865,512,620.84 - Step 4: Simplify right side
2,359,467,206.47x = 3,063,626,499,123,455,488 - Step 5: Solve for x
x = 3,063,626,499,123,455,488/2,359,467,206.47 - Step 6: Final answer
x = 1,298,439,957.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.