Finding the Fourth Proportional to 426,752,868.60, 640,607,599.80 and 330,136,894.80
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Solution
The fourth proportional to 426,752,868.60, 640,607,599.80 and 330,136,894.80 is: 495,575,353.66
Step by Step Solution
- Step 1: Write the proportion equation
426,752,868.60 : 640,607,599.80 = 330,136,894.80 : x - Step 2: Convert to fraction form
426,752,868.60/640,607,599.80 = 330,136,894.80/x - Step 3: Cross multiply
426,752,868.60x = 640,607,599.80 × 330,136,894.80 - Step 4: Simplify right side
426,752,868.60x = 211,488,203,783,253,088 - Step 5: Solve for x
x = 211,488,203,783,253,088/426,752,868.60 - Step 6: Final answer
x = 495,575,353.66
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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.