Finding the Fourth Proportional to 1,732,193,683.74, 2,390,474,286.63 and 979,619,398.53
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Solution
The fourth proportional to 1,732,193,683.74, 2,390,474,286.63 and 979,619,398.53 is: 1,351,901,351.94
Step by Step Solution
- Step 1: Write the proportion equation
1,732,193,683.74 : 2,390,474,286.63 = 979,619,398.53 : x - Step 2: Convert to fraction form
1,732,193,683.74/2,390,474,286.63 = 979,619,398.53/x - Step 3: Cross multiply
1,732,193,683.74x = 2,390,474,286.63 × 979,619,398.53 - Step 4: Simplify right side
1,732,193,683.74x = 2,341,754,982,869,911,552 - Step 5: Solve for x
x = 2,341,754,982,869,911,552/1,732,193,683.74 - Step 6: Final answer
x = 1,351,901,351.94
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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.