Finding the Fourth Proportional to 619,225,200.68, 854,338,367.76 and 351,256,902.08
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Solution
The fourth proportional to 619,225,200.68, 854,338,367.76 and 351,256,902.08 is: 484,625,380.33
Step by Step Solution
- Step 1: Write the proportion equation
619,225,200.68 : 854,338,367.76 = 351,256,902.08 : x - Step 2: Convert to fraction form
619,225,200.68/854,338,367.76 = 351,256,902.08/x - Step 3: Cross multiply
619,225,200.68x = 854,338,367.76 × 351,256,902.08 - Step 4: Simplify right side
619,225,200.68x = 300,092,248,387,461,312 - Step 5: Solve for x
x = 300,092,248,387,461,312/619,225,200.68 - Step 6: Final answer
x = 484,625,380.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.