Finding the Fourth Proportional to 2,166,115,363.12, 3,251,028,363.72 and 2,149,810,752.16
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Solution
The fourth proportional to 2,166,115,363.12, 3,251,028,363.72 and 2,149,810,752.16 is: 3,226,557,482.07
Step by Step Solution
- Step 1: Write the proportion equation
2,166,115,363.12 : 3,251,028,363.72 = 2,149,810,752.16 : x - Step 2: Convert to fraction form
2,166,115,363.12/3,251,028,363.72 = 2,149,810,752.16/x - Step 3: Cross multiply
2,166,115,363.12x = 3,251,028,363.72 × 2,149,810,752.16 - Step 4: Simplify right side
2,166,115,363.12x = 6,989,095,731,902,386,176 - Step 5: Solve for x
x = 6,989,095,731,902,386,176/2,166,115,363.12 - Step 6: Final answer
x = 3,226,557,482.07
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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.