Finding the Fourth Proportional to 2,122,399,387.20, 3,183,896,750.94 and 741,899,902.08
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Solution
The fourth proportional to 2,122,399,387.20, 3,183,896,750.94 and 741,899,902.08 is: 1,112,953,905.85
Step by Step Solution
- Step 1: Write the proportion equation
2,122,399,387.20 : 3,183,896,750.94 = 741,899,902.08 : x - Step 2: Convert to fraction form
2,122,399,387.20/3,183,896,750.94 = 741,899,902.08/x - Step 3: Cross multiply
2,122,399,387.20x = 3,183,896,750.94 × 741,899,902.08 - Step 4: Simplify right side
2,122,399,387.20x = 2,362,132,687,755,216,384 - Step 5: Solve for x
x = 2,362,132,687,755,216,384/2,122,399,387.20 - Step 6: Final answer
x = 1,112,953,905.85
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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.