Finding the Fourth Proportional to 1,999,127,795.32, 2,758,761,774.30 and 1,107,036,848.44
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Solution
The fourth proportional to 1,999,127,795.32, 2,758,761,774.30 and 1,107,036,848.44 is: 1,527,691,700.03
Step by Step Solution
- Step 1: Write the proportion equation
1,999,127,795.32 : 2,758,761,774.30 = 1,107,036,848.44 : x - Step 2: Convert to fraction form
1,999,127,795.32/2,758,761,774.30 = 1,107,036,848.44/x - Step 3: Cross multiply
1,999,127,795.32x = 2,758,761,774.30 × 1,107,036,848.44 - Step 4: Simplify right side
1,999,127,795.32x = 3,054,050,940,217,815,040 - Step 5: Solve for x
x = 3,054,050,940,217,815,040/1,999,127,795.32 - Step 6: Final answer
x = 1,527,691,700.03
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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.