Finding the Fourth Proportional to 2,108,176,571.48, 2,909,283,944.40 and 1,168,439,883.17
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Solution
The fourth proportional to 2,108,176,571.48, 2,909,283,944.40 and 1,168,439,883.17 is: 1,612,447,191.61
Step by Step Solution
- Step 1: Write the proportion equation
2,108,176,571.48 : 2,909,283,944.40 = 1,168,439,883.17 : x - Step 2: Convert to fraction form
2,108,176,571.48/2,909,283,944.40 = 1,168,439,883.17/x - Step 3: Cross multiply
2,108,176,571.48x = 2,909,283,944.40 × 1,168,439,883.17 - Step 4: Simplify right side
2,108,176,571.48x = 3,399,323,392,088,546,304 - Step 5: Solve for x
x = 3,399,323,392,088,546,304/2,108,176,571.48 - Step 6: Final answer
x = 1,612,447,191.61
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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.