Finding the Fourth Proportional to 3,587,458,294.80, 5,381,187,442.20 and 2,669,128,246.80
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Solution
The fourth proportional to 3,587,458,294.80, 5,381,187,442.20 and 2,669,128,246.80 is: 4,003,692,370.20
Step by Step Solution
- Step 1: Write the proportion equation
3,587,458,294.80 : 5,381,187,442.20 = 2,669,128,246.80 : x - Step 2: Convert to fraction form
3,587,458,294.80/5,381,187,442.20 = 2,669,128,246.80/x - Step 3: Cross multiply
3,587,458,294.80x = 5,381,187,442.20 × 2,669,128,246.80 - Step 4: Simplify right side
3,587,458,294.80x = 14,363,079,403,301,462,016 - Step 5: Solve for x
x = 14,363,079,403,301,462,016/3,587,458,294.80 - Step 6: Final answer
x = 4,003,692,370.20
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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.