Finding the Fourth Proportional to 4,295,235,815.87, 6,438,675,225.80 and 2,053,700,632.60
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Solution
The fourth proportional to 4,295,235,815.87, 6,438,675,225.80 and 2,053,700,632.60 is: 3,078,553,064.65
Step by Step Solution
- Step 1: Write the proportion equation
4,295,235,815.87 : 6,438,675,225.80 = 2,053,700,632.60 : x - Step 2: Convert to fraction form
4,295,235,815.87/6,438,675,225.80 = 2,053,700,632.60/x - Step 3: Cross multiply
4,295,235,815.87x = 6,438,675,225.80 × 2,053,700,632.60 - Step 4: Simplify right side
4,295,235,815.87x = 13,223,111,384,320,446,464 - Step 5: Solve for x
x = 13,223,111,384,320,446,464/4,295,235,815.87 - Step 6: Final answer
x = 3,078,553,064.65
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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.