Finding the Fourth Proportional to 5,009,541,294.45, 6,915,520,671.07 and 2,894,588,132.99
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Solution
The fourth proportional to 5,009,541,294.45, 6,915,520,671.07 and 2,894,588,132.99 is: 3,995,891,617.88
Step by Step Solution
- Step 1: Write the proportion equation
5,009,541,294.45 : 6,915,520,671.07 = 2,894,588,132.99 : x - Step 2: Convert to fraction form
5,009,541,294.45/6,915,520,671.07 = 2,894,588,132.99/x - Step 3: Cross multiply
5,009,541,294.45x = 6,915,520,671.07 × 2,894,588,132.99 - Step 4: Simplify right side
5,009,541,294.45x = 20,017,584,067,911,806,976 - Step 5: Solve for x
x = 20,017,584,067,911,806,976/5,009,541,294.45 - Step 6: Final answer
x = 3,995,891,617.88
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1.5x scale
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.