Finding the Fourth Proportional to 1,208,543,244.55, 1,812,814,440.12 and 323,205,593.90
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Solution
The fourth proportional to 1,208,543,244.55, 1,812,814,440.12 and 323,205,593.90 is: 484,808,276.73
Step by Step Solution
- Step 1: Write the proportion equation
1,208,543,244.55 : 1,812,814,440.12 = 323,205,593.90 : x - Step 2: Convert to fraction form
1,208,543,244.55/1,812,814,440.12 = 323,205,593.90/x - Step 3: Cross multiply
1,208,543,244.55x = 1,812,814,440.12 × 323,205,593.90 - Step 4: Simplify right side
1,208,543,244.55x = 585,911,767,744,948,480 - Step 5: Solve for x
x = 585,911,767,744,948,480/1,208,543,244.55 - Step 6: Final answer
x = 484,808,276.73
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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.