Finding the Fourth Proportional to 489,930,831.60, 734,896,247.40 and 334,734,313.20
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Solution
The fourth proportional to 489,930,831.60, 734,896,247.40 and 334,734,313.20 is: 502,101,469.80
Step by Step Solution
- Step 1: Write the proportion equation
489,930,831.60 : 734,896,247.40 = 334,734,313.20 : x - Step 2: Convert to fraction form
489,930,831.60/734,896,247.40 = 334,734,313.20/x - Step 3: Cross multiply
489,930,831.60x = 734,896,247.40 × 334,734,313.20 - Step 4: Simplify right side
489,930,831.60x = 245,994,990,646,696,256 - Step 5: Solve for x
x = 245,994,990,646,696,256/489,930,831.60 - Step 6: Final answer
x = 502,101,469.80
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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.