Finding the Fourth Proportional to 2,812,710,791.48, 4,219,063,970.83 and 847,563,893.26
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Solution
The fourth proportional to 2,812,710,791.48, 4,219,063,970.83 and 847,563,893.26 is: 1,271,345,172.02
Step by Step Solution
- Step 1: Write the proportion equation
2,812,710,791.48 : 4,219,063,970.83 = 847,563,893.26 : x - Step 2: Convert to fraction form
2,812,710,791.48/4,219,063,970.83 = 847,563,893.26/x - Step 3: Cross multiply
2,812,710,791.48x = 4,219,063,970.83 × 847,563,893.26 - Step 4: Simplify right side
2,812,710,791.48x = 3,575,926,285,017,088,512 - Step 5: Solve for x
x = 3,575,926,285,017,088,512/2,812,710,791.48 - Step 6: Final answer
x = 1,271,345,172.02
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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.