Finding the Fourth Proportional to 5,261,518,954.10, 7,261,831,705.34 and 3,147,207,507.65
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Solution
The fourth proportional to 5,261,518,954.10, 7,261,831,705.34 and 3,147,207,507.65 is: 4,343,705,964.33
Step by Step Solution
- Step 1: Write the proportion equation
5,261,518,954.10 : 7,261,831,705.34 = 3,147,207,507.65 : x - Step 2: Convert to fraction form
5,261,518,954.10/7,261,831,705.34 = 3,147,207,507.65/x - Step 3: Cross multiply
5,261,518,954.10x = 7,261,831,705.34 × 3,147,207,507.65 - Step 4: Simplify right side
5,261,518,954.10x = 22,854,491,262,336,851,968 - Step 5: Solve for x
x = 22,854,491,262,336,851,968/5,261,518,954.10 - Step 6: Final answer
x = 4,343,705,964.33
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1.5x scale
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.