Finding the Fourth Proportional to 2,788,330,855.80, 4,182,496,283.70 and 2,487,343,668.60
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Solution
The fourth proportional to 2,788,330,855.80, 4,182,496,283.70 and 2,487,343,668.60 is: 3,731,015,502.90
Step by Step Solution
- Step 1: Write the proportion equation
2,788,330,855.80 : 4,182,496,283.70 = 2,487,343,668.60 : x - Step 2: Convert to fraction form
2,788,330,855.80/4,182,496,283.70 = 2,487,343,668.60/x - Step 3: Cross multiply
2,788,330,855.80x = 4,182,496,283.70 × 2,487,343,668.60 - Step 4: Simplify right side
2,788,330,855.80x = 10,403,305,650,204,223,488 - Step 5: Solve for x
x = 10,403,305,650,204,223,488/2,788,330,855.80 - Step 6: Final answer
x = 3,731,015,502.90
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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.