Finding the Fourth Proportional to 1,034,409,597.20, 1,427,515,479.24 and 564,541,074.08
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Solution
The fourth proportional to 1,034,409,597.20, 1,427,515,479.24 and 564,541,074.08 is: 779,083,183.39
Step by Step Solution
- Step 1: Write the proportion equation
1,034,409,597.20 : 1,427,515,479.24 = 564,541,074.08 : x - Step 2: Convert to fraction form
1,034,409,597.20/1,427,515,479.24 = 564,541,074.08/x - Step 3: Cross multiply
1,034,409,597.20x = 1,427,515,479.24 × 564,541,074.08 - Step 4: Simplify right side
1,034,409,597.20x = 805,891,121,915,975,552 - Step 5: Solve for x
x = 805,891,121,915,975,552/1,034,409,597.20 - Step 6: Final answer
x = 779,083,183.39
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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.