Finding the Fourth Proportional to 2,136,124,482.10, 3,204,186,723.15 and 1,438,767,601.90
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Solution
The fourth proportional to 2,136,124,482.10, 3,204,186,723.15 and 1,438,767,601.90 is: 2,158,151,402.85
Step by Step Solution
- Step 1: Write the proportion equation
2,136,124,482.10 : 3,204,186,723.15 = 1,438,767,601.90 : x - Step 2: Convert to fraction form
2,136,124,482.10/3,204,186,723.15 = 1,438,767,601.90/x - Step 3: Cross multiply
2,136,124,482.10x = 3,204,186,723.15 × 1,438,767,601.90 - Step 4: Simplify right side
2,136,124,482.10x = 4,610,080,047,706,344,960 - Step 5: Solve for x
x = 4,610,080,047,706,344,960/2,136,124,482.10 - Step 6: Final answer
x = 2,158,151,402.85
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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.