Finding the Fourth Proportional to 2,859,591,805.80, 4,289,387,708.70 and 1,771,200,637.80
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Solution
The fourth proportional to 2,859,591,805.80, 4,289,387,708.70 and 1,771,200,637.80 is: 2,656,800,956.70
Step by Step Solution
- Step 1: Write the proportion equation
2,859,591,805.80 : 4,289,387,708.70 = 1,771,200,637.80 : x - Step 2: Convert to fraction form
2,859,591,805.80/4,289,387,708.70 = 1,771,200,637.80/x - Step 3: Cross multiply
2,859,591,805.80x = 4,289,387,708.70 × 1,771,200,637.80 - Step 4: Simplify right side
2,859,591,805.80x = 7,597,366,245,420,919,808 - Step 5: Solve for x
x = 7,597,366,245,420,919,808/2,859,591,805.80 - Step 6: Final answer
x = 2,656,800,956.70
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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.