Finding the Fourth Proportional to 1,479,246,044.34, 2,215,346,990.49 and 856,149,186.54
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Solution
The fourth proportional to 1,479,246,044.34, 2,215,346,990.49 and 856,149,186.54 is: 1,282,185,293.70
Step by Step Solution
- Step 1: Write the proportion equation
1,479,246,044.34 : 2,215,346,990.49 = 856,149,186.54 : x - Step 2: Convert to fraction form
1,479,246,044.34/2,215,346,990.49 = 856,149,186.54/x - Step 3: Cross multiply
1,479,246,044.34x = 2,215,346,990.49 × 856,149,186.54 - Step 4: Simplify right side
1,479,246,044.34x = 1,896,667,523,811,850,240 - Step 5: Solve for x
x = 1,896,667,523,811,850,240/1,479,246,044.34 - Step 6: Final answer
x = 1,282,185,293.70
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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.