Finding the Fourth Proportional to 2,417,849,846.20, 3,620,728,151.70 and 1,934,120,438.20
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Solution
The fourth proportional to 2,417,849,846.20, 3,620,728,151.70 and 1,934,120,438.20 is: 2,896,343,761.95
Step by Step Solution
- Step 1: Write the proportion equation
2,417,849,846.20 : 3,620,728,151.70 = 1,934,120,438.20 : x - Step 2: Convert to fraction form
2,417,849,846.20/3,620,728,151.70 = 1,934,120,438.20/x - Step 3: Cross multiply
2,417,849,846.20x = 3,620,728,151.70 × 1,934,120,438.20 - Step 4: Simplify right side
2,417,849,846.20x = 7,002,924,319,369,079,808 - Step 5: Solve for x
x = 7,002,924,319,369,079,808/2,417,849,846.20 - Step 6: Final answer
x = 2,896,343,761.95
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1.5x scale
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.