Finding the Fourth Proportional to 3,391,488,138.20, 5,087,232,207.30 and 3,369,989,053.40
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Solution
The fourth proportional to 3,391,488,138.20, 5,087,232,207.30 and 3,369,989,053.40 is: 5,054,983,580.10
Step by Step Solution
- Step 1: Write the proportion equation
3,391,488,138.20 : 5,087,232,207.30 = 3,369,989,053.40 : x - Step 2: Convert to fraction form
3,391,488,138.20/5,087,232,207.30 = 3,369,989,053.40/x - Step 3: Cross multiply
3,391,488,138.20x = 5,087,232,207.30 × 3,369,989,053.40 - Step 4: Simplify right side
3,391,488,138.20x = 17,143,916,850,704,920,576 - Step 5: Solve for x
x = 17,143,916,850,704,920,576/3,391,488,138.20 - Step 6: Final answer
x = 5,054,983,580.10
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Double scale
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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.