Finding the Fourth Proportional to 3,671,738,965.92, 5,509,234,877.16 and 1,924,526,470.08
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Solution
The fourth proportional to 3,671,738,965.92, 5,509,234,877.16 and 1,924,526,470.08 is: 2,887,642,190.63
Step by Step Solution
- Step 1: Write the proportion equation
3,671,738,965.92 : 5,509,234,877.16 = 1,924,526,470.08 : x - Step 2: Convert to fraction form
3,671,738,965.92/5,509,234,877.16 = 1,924,526,470.08/x - Step 3: Cross multiply
3,671,738,965.92x = 5,509,234,877.16 × 1,924,526,470.08 - Step 4: Simplify right side
3,671,738,965.92x = 10,602,668,350,982,356,992 - Step 5: Solve for x
x = 10,602,668,350,982,356,992/3,671,738,965.92 - Step 6: Final answer
x = 2,887,642,190.63
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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.