Finding the Fourth Proportional to 4,990,798,158.50, 7,474,313,135.85 and 2,887,842,665.13
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Solution
The fourth proportional to 4,990,798,158.50, 7,474,313,135.85 and 2,887,842,665.13 is: 4,324,887,459.03
Step by Step Solution
- Step 1: Write the proportion equation
4,990,798,158.50 : 7,474,313,135.85 = 2,887,842,665.13 : x - Step 2: Convert to fraction form
4,990,798,158.50/7,474,313,135.85 = 2,887,842,665.13/x - Step 3: Cross multiply
4,990,798,158.50x = 7,474,313,135.85 × 2,887,842,665.13 - Step 4: Simplify right side
4,990,798,158.50x = 21,584,640,366,249,234,432 - Step 5: Solve for x
x = 21,584,640,366,249,234,432/4,990,798,158.50 - Step 6: Final answer
x = 4,324,887,459.03
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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.