Finding the Fourth Proportional to 7,329,121,437.20, 10,993,682,155.80 and 3,834,176,464.40
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Solution
The fourth proportional to 7,329,121,437.20, 10,993,682,155.80 and 3,834,176,464.40 is: 5,751,264,696.60
Step by Step Solution
- Step 1: Write the proportion equation
7,329,121,437.20 : 10,993,682,155.80 = 3,834,176,464.40 : x - Step 2: Convert to fraction form
7,329,121,437.20/10,993,682,155.80 = 3,834,176,464.40/x - Step 3: Cross multiply
7,329,121,437.20x = 10,993,682,155.80 × 3,834,176,464.40 - Step 4: Simplify right side
7,329,121,437.20x = 42,151,717,378,862,612,480 - Step 5: Solve for x
x = 42,151,717,378,862,612,480/7,329,121,437.20 - Step 6: Final answer
x = 5,751,264,696.60
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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.