Finding the Fourth Proportional to 1,479,398,252,244.90, 2,041,444,896,765.40 and 820,221,917,967.73
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Solution
The fourth proportional to 1,479,398,252,244.90, 2,041,444,896,765.40 and 820,221,917,967.73 is: 1,131,837,114,252.02
Step by Step Solution
- Step 1: Write the proportion equation
1,479,398,252,244.90 : 2,041,444,896,765.40 = 820,221,917,967.73 : x - Step 2: Convert to fraction form
1,479,398,252,244.90/2,041,444,896,765.40 = 820,221,917,967.73/x - Step 3: Cross multiply
1,479,398,252,244.90x = 2,041,444,896,765.40 × 820,221,917,967.73 - Step 4: Simplify right side
1,479,398,252,244.90x = 1,674,437,848,650,350,902,378,496 - Step 5: Solve for x
x = 1,674,437,848,650,350,902,378,496/1,479,398,252,244.90 - Step 6: Final answer
x = 1,131,837,114,252.02
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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.