Finding the Fourth Proportional to 5,273,244,449.18, 7,905,418,118.13 and 4,340,613,323.60
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Solution
The fourth proportional to 5,273,244,449.18, 7,905,418,118.13 and 4,340,613,323.60 is: 6,507,258,205.62
Step by Step Solution
- Step 1: Write the proportion equation
5,273,244,449.18 : 7,905,418,118.13 = 4,340,613,323.60 : x - Step 2: Convert to fraction form
5,273,244,449.18/7,905,418,118.13 = 4,340,613,323.60/x - Step 3: Cross multiply
5,273,244,449.18x = 7,905,418,118.13 × 4,340,613,323.60 - Step 4: Simplify right side
5,273,244,449.18x = 34,314,363,212,183,920,640 - Step 5: Solve for x
x = 34,314,363,212,183,920,640/5,273,244,449.18 - Step 6: Final answer
x = 6,507,258,205.62
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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.