Finding the Fourth Proportional to 4,146,585,487.20, 6,219,878,230.80 and 4,031,794,231.20
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Solution
The fourth proportional to 4,146,585,487.20, 6,219,878,230.80 and 4,031,794,231.20 is: 6,047,691,346.80
Step by Step Solution
- Step 1: Write the proportion equation
4,146,585,487.20 : 6,219,878,230.80 = 4,031,794,231.20 : x - Step 2: Convert to fraction form
4,146,585,487.20/6,219,878,230.80 = 4,031,794,231.20/x - Step 3: Cross multiply
4,146,585,487.20x = 6,219,878,230.80 × 4,031,794,231.20 - Step 4: Simplify right side
4,146,585,487.20x = 25,077,269,169,705,902,080 - Step 5: Solve for x
x = 25,077,269,169,705,902,080/4,146,585,487.20 - Step 6: Final answer
x = 6,047,691,346.80
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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.