Finding the Fourth Proportional to 2,011,334,524.80, 2,775,883,280.08 and 1,218,357,236.96
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Solution
The fourth proportional to 2,011,334,524.80, 2,775,883,280.08 and 1,218,357,236.96 is: 1,681,479,356.89
Step by Step Solution
- Step 1: Write the proportion equation
2,011,334,524.80 : 2,775,883,280.08 = 1,218,357,236.96 : x - Step 2: Convert to fraction form
2,011,334,524.80/2,775,883,280.08 = 1,218,357,236.96/x - Step 3: Cross multiply
2,011,334,524.80x = 2,775,883,280.08 × 1,218,357,236.96 - Step 4: Simplify right side
2,011,334,524.80x = 3,382,017,483,241,730,560 - Step 5: Solve for x
x = 3,382,017,483,241,730,560/2,011,334,524.80 - Step 6: Final answer
x = 1,681,479,356.89
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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.