Finding the Fourth Proportional to 2,011,334,526.80, 2,775,883,282.84 and 1,218,357,238.96
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Solution
The fourth proportional to 2,011,334,526.80, 2,775,883,282.84 and 1,218,357,238.96 is: 1,681,479,359.65
Step by Step Solution
- Step 1: Write the proportion equation
2,011,334,526.80 : 2,775,883,282.84 = 1,218,357,238.96 : x - Step 2: Convert to fraction form
2,011,334,526.80/2,775,883,282.84 = 1,218,357,238.96/x - Step 3: Cross multiply
2,011,334,526.80x = 2,775,883,282.84 × 1,218,357,238.96 - Step 4: Simplify right side
2,011,334,526.80x = 3,382,017,492,156,163,584 - Step 5: Solve for x
x = 3,382,017,492,156,163,584/2,011,334,526.80 - Step 6: Final answer
x = 1,681,479,359.65
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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.