Finding the Fourth Proportional to 2,165,391,558.08, 2,988,160,333.12 and 1,175,295,717.44
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Solution
The fourth proportional to 2,165,391,558.08, 2,988,160,333.12 and 1,175,295,717.44 is: 1,621,864,659.74
Step by Step Solution
- Step 1: Write the proportion equation
2,165,391,558.08 : 2,988,160,333.12 = 1,175,295,717.44 : x - Step 2: Convert to fraction form
2,165,391,558.08/2,988,160,333.12 = 1,175,295,717.44/x - Step 3: Cross multiply
2,165,391,558.08x = 2,988,160,333.12 × 1,175,295,717.44 - Step 4: Simplify right side
2,165,391,558.08x = 3,511,972,042,540,019,712 - Step 5: Solve for x
x = 3,511,972,042,540,019,712/2,165,391,558.08 - Step 6: Final answer
x = 1,621,864,659.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.