Finding the Fourth Proportional to 498,325,622.70, 747,488,434.05 and 265,873,329.30
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Solution
The fourth proportional to 498,325,622.70, 747,488,434.05 and 265,873,329.30 is: 398,809,993.95
Step by Step Solution
- Step 1: Write the proportion equation
498,325,622.70 : 747,488,434.05 = 265,873,329.30 : x - Step 2: Convert to fraction form
498,325,622.70/747,488,434.05 = 265,873,329.30/x - Step 3: Cross multiply
498,325,622.70x = 747,488,434.05 × 265,873,329.30 - Step 4: Simplify right side
498,325,622.70x = 198,737,238,574,116,992 - Step 5: Solve for x
x = 198,737,238,574,116,992/498,325,622.70 - Step 6: Final answer
x = 398,809,993.95
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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.