Finding the Fourth Proportional to 498,325,657.20, 747,488,485.80 and 265,873,363.80
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Solution
The fourth proportional to 498,325,657.20, 747,488,485.80 and 265,873,363.80 is: 398,810,045.70
Step by Step Solution
- Step 1: Write the proportion equation
498,325,657.20 : 747,488,485.80 = 265,873,363.80 : x - Step 2: Convert to fraction form
498,325,657.20/747,488,485.80 = 265,873,363.80/x - Step 3: Cross multiply
498,325,657.20x = 747,488,485.80 × 265,873,363.80 - Step 4: Simplify right side
498,325,657.20x = 198,737,278,121,414,528 - Step 5: Solve for x
x = 198,737,278,121,414,528/498,325,657.20 - Step 6: Final answer
x = 398,810,045.70
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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.