Finding the Fourth Proportional to 2,812,710,781.92, 4,219,063,956.49 and 847,563,883.70
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Solution
The fourth proportional to 2,812,710,781.92, 4,219,063,956.49 and 847,563,883.70 is: 1,271,345,157.68
Step by Step Solution
- Step 1: Write the proportion equation
2,812,710,781.92 : 4,219,063,956.49 = 847,563,883.70 : x - Step 2: Convert to fraction form
2,812,710,781.92/4,219,063,956.49 = 847,563,883.70/x - Step 3: Cross multiply
2,812,710,781.92x = 4,219,063,956.49 × 847,563,883.70 - Step 4: Simplify right side
2,812,710,781.92x = 3,575,926,232,543,544,320 - Step 5: Solve for x
x = 3,575,926,232,543,544,320/2,812,710,781.92 - Step 6: Final answer
x = 1,271,345,157.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.