Finding the Fourth Proportional to 2,816,763,657.60, 4,225,124,491.20 and 851,612,937.60
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Solution
The fourth proportional to 2,816,763,657.60, 4,225,124,491.20 and 851,612,937.60 is: 1,277,413,058.77
Step by Step Solution
- Step 1: Write the proportion equation
2,816,763,657.60 : 4,225,124,491.20 = 851,612,937.60 : x - Step 2: Convert to fraction form
2,816,763,657.60/4,225,124,491.20 = 851,612,937.60/x - Step 3: Cross multiply
2,816,763,657.60x = 4,225,124,491.20 × 851,612,937.60 - Step 4: Simplify right side
2,816,763,657.60x = 3,598,170,679,676,537,344 - Step 5: Solve for x
x = 3,598,170,679,676,537,344/2,816,763,657.60 - Step 6: Final answer
x = 1,277,413,058.77
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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.