Finding the Fourth Proportional to 2,988,045,401.65, 4,482,068,102.48 and 917,763,842.05
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Solution
The fourth proportional to 2,988,045,401.65, 4,482,068,102.48 and 917,763,842.05 is: 1,376,645,763.08
Step by Step Solution
- Step 1: Write the proportion equation
2,988,045,401.65 : 4,482,068,102.48 = 917,763,842.05 : x - Step 2: Convert to fraction form
2,988,045,401.65/4,482,068,102.48 = 917,763,842.05/x - Step 3: Cross multiply
2,988,045,401.65x = 4,482,068,102.48 × 917,763,842.05 - Step 4: Simplify right side
2,988,045,401.65x = 4,113,480,042,061,797,376 - Step 5: Solve for x
x = 4,113,480,042,061,797,376/2,988,045,401.65 - Step 6: Final answer
x = 1,376,645,763.08
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1.5x scale
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.