Finding the Fourth Proportional to 326,434,831.29, 489,199,235.07 and 148,737,704.65
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Solution
The fourth proportional to 326,434,831.29, 489,199,235.07 and 148,737,704.65 is: 222,900,145.35
Step by Step Solution
- Step 1: Write the proportion equation
326,434,831.29 : 489,199,235.07 = 148,737,704.65 : x - Step 2: Convert to fraction form
326,434,831.29/489,199,235.07 = 148,737,704.65/x - Step 3: Cross multiply
326,434,831.29x = 489,199,235.07 × 148,737,704.65 - Step 4: Simplify right side
326,434,831.29x = 72,762,371,340,847,584 - Step 5: Solve for x
x = 72,762,371,340,847,584/326,434,831.29 - Step 6: Final answer
x = 222,900,145.35
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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.