Finding the Fourth Proportional to 823,656,036.24, 1,239,936,951.87 and 750,350,934.72
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Solution
The fourth proportional to 823,656,036.24, 1,239,936,951.87 and 750,350,934.72 is: 1,129,582,993.26
Step by Step Solution
- Step 1: Write the proportion equation
823,656,036.24 : 1,239,936,951.87 = 750,350,934.72 : x - Step 2: Convert to fraction form
823,656,036.24/1,239,936,951.87 = 750,350,934.72/x - Step 3: Cross multiply
823,656,036.24x = 1,239,936,951.87 × 750,350,934.72 - Step 4: Simplify right side
823,656,036.24x = 930,387,850,829,522,048 - Step 5: Solve for x
x = 930,387,850,829,522,048/823,656,036.24 - Step 6: Final answer
x = 1,129,582,993.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.