Finding the Fourth Proportional to 420,614,983.04, 630,358,510.56 and 327,354,566.18
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Solution
The fourth proportional to 420,614,983.04, 630,358,510.56 and 327,354,566.18 is: 490,592,929.60
Step by Step Solution
- Step 1: Write the proportion equation
420,614,983.04 : 630,358,510.56 = 327,354,566.18 : x - Step 2: Convert to fraction form
420,614,983.04/630,358,510.56 = 327,354,566.18/x - Step 3: Cross multiply
420,614,983.04x = 630,358,510.56 × 327,354,566.18 - Step 4: Simplify right side
420,614,983.04x = 206,350,736,762,239,744 - Step 5: Solve for x
x = 206,350,736,762,239,744/420,614,983.04 - Step 6: Final answer
x = 490,592,929.60
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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.