Finding the Fourth Proportional to 850,502,894.60, 1,275,687,986.70 and 332,832,801.80
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Solution
The fourth proportional to 850,502,894.60, 1,275,687,986.70 and 332,832,801.80 is: 499,223,235.49
Step by Step Solution
- Step 1: Write the proportion equation
850,502,894.60 : 1,275,687,986.70 = 332,832,801.80 : x - Step 2: Convert to fraction form
850,502,894.60/1,275,687,986.70 = 332,832,801.80/x - Step 3: Cross multiply
850,502,894.60x = 1,275,687,986.70 × 332,832,801.80 - Step 4: Simplify right side
850,502,894.60x = 424,590,806,835,962,176 - Step 5: Solve for x
x = 424,590,806,835,962,176/850,502,894.60 - Step 6: Final answer
x = 499,223,235.49
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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.