Finding the Fourth Proportional to 2,156,671,914,766.20, 2,976,300,797,251.20 and 1,194,319,420,090
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Solution
The fourth proportional to 2,156,671,914,766.20, 2,976,300,797,251.20 and 1,194,319,420,090 is: 1,648,212,608,440.17
Step by Step Solution
- Step 1: Write the proportion equation
2,156,671,914,766.20 : 2,976,300,797,251.20 = 1,194,319,420,090 : x - Step 2: Convert to fraction form
2,156,671,914,766.20/2,976,300,797,251.20 = 1,194,319,420,090/x - Step 3: Cross multiply
2,156,671,914,766.20x = 2,976,300,797,251.20 × 1,194,319,420,090 - Step 4: Simplify right side
2,156,671,914,766.20x = 3,554,653,842,186,458,082,836,480 - Step 5: Solve for x
x = 3,554,653,842,186,458,082,836,480/2,156,671,914,766.20 - Step 6: Final answer
x = 1,648,212,608,440.17
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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.