Finding the Fourth Proportional to 799,272,145.80, 1,198,990,449.90 and 301,701,772.49
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Solution
The fourth proportional to 799,272,145.80, 1,198,990,449.90 and 301,701,772.49 is: 452,583,698.59
Step by Step Solution
- Step 1: Write the proportion equation
799,272,145.80 : 1,198,990,449.90 = 301,701,772.49 : x - Step 2: Convert to fraction form
799,272,145.80/1,198,990,449.90 = 301,701,772.49/x - Step 3: Cross multiply
799,272,145.80x = 1,198,990,449.90 × 301,701,772.49 - Step 4: Simplify right side
799,272,145.80x = 361,737,543,927,417,664 - Step 5: Solve for x
x = 361,737,543,927,417,664/799,272,145.80 - Step 6: Final answer
x = 452,583,698.59
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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.