Finding the Fourth Proportional to 4,886,080,879.30, 7,329,121,318.95 and 2,556,117,564.10
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Solution
The fourth proportional to 4,886,080,879.30, 7,329,121,318.95 and 2,556,117,564.10 is: 3,834,176,346.15
Step by Step Solution
- Step 1: Write the proportion equation
4,886,080,879.30 : 7,329,121,318.95 = 2,556,117,564.10 : x - Step 2: Convert to fraction form
4,886,080,879.30/7,329,121,318.95 = 2,556,117,564.10/x - Step 3: Cross multiply
4,886,080,879.30x = 7,329,121,318.95 × 2,556,117,564.10 - Step 4: Simplify right side
4,886,080,879.30x = 18,734,095,732,787,851,264 - Step 5: Solve for x
x = 18,734,095,732,787,851,264/4,886,080,879.30 - Step 6: Final answer
x = 3,834,176,346.15
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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.