Finding the Fourth Proportional to 1,553,228,169.10, 2,329,850,964.12 and 518,086,208.32
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Solution
The fourth proportional to 1,553,228,169.10, 2,329,850,964.12 and 518,086,208.32 is: 777,132,217.90
Step by Step Solution
- Step 1: Write the proportion equation
1,553,228,169.10 : 2,329,850,964.12 = 518,086,208.32 : x - Step 2: Convert to fraction form
1,553,228,169.10/2,329,850,964.12 = 518,086,208.32/x - Step 3: Cross multiply
1,553,228,169.10x = 2,329,850,964.12 × 518,086,208.32 - Step 4: Simplify right side
1,553,228,169.10x = 1,207,063,651,951,627,008 - Step 5: Solve for x
x = 1,207,063,651,951,627,008/1,553,228,169.10 - Step 6: Final answer
x = 777,132,217.90
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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.