Finding the Fourth Proportional to 517,151,377.68, 775,272,870.24 and 210,701,239.44
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Solution
The fourth proportional to 517,151,377.68, 775,272,870.24 and 210,701,239.44 is: 315,866,807.50
Step by Step Solution
- Step 1: Write the proportion equation
517,151,377.68 : 775,272,870.24 = 210,701,239.44 : x - Step 2: Convert to fraction form
517,151,377.68/775,272,870.24 = 210,701,239.44/x - Step 3: Cross multiply
517,151,377.68x = 775,272,870.24 × 210,701,239.44 - Step 4: Simplify right side
517,151,377.68x = 163,350,954,663,774,304 - Step 5: Solve for x
x = 163,350,954,663,774,304/517,151,377.68 - Step 6: Final answer
x = 315,866,807.50
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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.