Finding the Fourth Proportional to 2,390,156,398.19, 3,585,241,323.33 and 916,747,850.96
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Solution
The fourth proportional to 2,390,156,398.19, 3,585,241,323.33 and 916,747,850.96 is: 1,375,124,356.22
Step by Step Solution
- Step 1: Write the proportion equation
2,390,156,398.19 : 3,585,241,323.33 = 916,747,850.96 : x - Step 2: Convert to fraction form
2,390,156,398.19/3,585,241,323.33 = 916,747,850.96/x - Step 3: Cross multiply
2,390,156,398.19x = 3,585,241,323.33 × 916,747,850.96 - Step 4: Simplify right side
2,390,156,398.19x = 3,286,762,278,317,837,824 - Step 5: Solve for x
x = 3,286,762,278,317,837,824/2,390,156,398.19 - Step 6: Final answer
x = 1,375,124,356.22
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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.