Finding the Fourth Proportional to 2,011,334,557.20, 2,775,883,324.80 and 1,218,357,269.52
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Solution
The fourth proportional to 2,011,334,557.20, 2,775,883,324.80 and 1,218,357,269.52 is: 1,681,479,401.82
Step by Step Solution
- Step 1: Write the proportion equation
2,011,334,557.20 : 2,775,883,324.80 = 1,218,357,269.52 : x - Step 2: Convert to fraction form
2,011,334,557.20/2,775,883,324.80 = 1,218,357,269.52/x - Step 3: Cross multiply
2,011,334,557.20x = 2,775,883,324.80 × 1,218,357,269.52 - Step 4: Simplify right side
2,011,334,557.20x = 3,382,017,628,109,427,712 - Step 5: Solve for x
x = 3,382,017,628,109,427,712/2,011,334,557.20 - Step 6: Final answer
x = 1,681,479,401.82
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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.