Finding the Fourth Proportional to 2,988,045,392.15, 4,482,068,088.23 and 917,763,832.55
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Solution
The fourth proportional to 2,988,045,392.15, 4,482,068,088.23 and 917,763,832.55 is: 1,376,645,748.83
Step by Step Solution
- Step 1: Write the proportion equation
2,988,045,392.15 : 4,482,068,088.23 = 917,763,832.55 : x - Step 2: Convert to fraction form
2,988,045,392.15/4,482,068,088.23 = 917,763,832.55/x - Step 3: Cross multiply
2,988,045,392.15x = 4,482,068,088.23 × 917,763,832.55 - Step 4: Simplify right side
2,988,045,392.15x = 4,113,479,986,404,015,616 - Step 5: Solve for x
x = 4,113,479,986,404,015,616/2,988,045,392.15 - Step 6: Final answer
x = 1,376,645,748.83
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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.