Finding the Fourth Proportional to 1,560,117,101.40, 2,340,522,072.90 and 524,948,765.40
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Solution
The fourth proportional to 1,560,117,101.40, 2,340,522,072.90 and 524,948,765.40 is: 787,539,711.90
Step by Step Solution
- Step 1: Write the proportion equation
1,560,117,101.40 : 2,340,522,072.90 = 524,948,765.40 : x - Step 2: Convert to fraction form
1,560,117,101.40/2,340,522,072.90 = 524,948,765.40/x - Step 3: Cross multiply
1,560,117,101.40x = 2,340,522,072.90 × 524,948,765.40 - Step 4: Simplify right side
1,560,117,101.40x = 1,228,654,172,560,303,872 - Step 5: Solve for x
x = 1,228,654,172,560,303,872/1,560,117,101.40 - Step 6: Final answer
x = 787,539,711.90
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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.