Finding the Fourth Proportional to 503,844,363.20, 755,766,544.80 and 417,750,921.20
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Solution
The fourth proportional to 503,844,363.20, 755,766,544.80 and 417,750,921.20 is: 626,626,381.80
Step by Step Solution
- Step 1: Write the proportion equation
503,844,363.20 : 755,766,544.80 = 417,750,921.20 : x - Step 2: Convert to fraction form
503,844,363.20/755,766,544.80 = 417,750,921.20/x - Step 3: Cross multiply
503,844,363.20x = 755,766,544.80 × 417,750,921.20 - Step 4: Simplify right side
503,844,363.20x = 315,722,170,302,341,056 - Step 5: Solve for x
x = 315,722,170,302,341,056/503,844,363.20 - Step 6: Final answer
x = 626,626,381.80
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1.5x scale
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.