Finding the Fourth Proportional to 5,668,715,417.10, 8,503,073,125.65 and 3,338,452,920.30
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Solution
The fourth proportional to 5,668,715,417.10, 8,503,073,125.65 and 3,338,452,920.30 is: 5,007,679,380.45
Step by Step Solution
- Step 1: Write the proportion equation
5,668,715,417.10 : 8,503,073,125.65 = 3,338,452,920.30 : x - Step 2: Convert to fraction form
5,668,715,417.10/8,503,073,125.65 = 3,338,452,920.30/x - Step 3: Cross multiply
5,668,715,417.10x = 8,503,073,125.65 × 3,338,452,920.30 - Step 4: Simplify right side
5,668,715,417.10x = 28,387,109,307,850,690,560 - Step 5: Solve for x
x = 28,387,109,307,850,690,560/5,668,715,417.10 - Step 6: Final answer
x = 5,007,679,380.45
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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.