Finding the Fourth Proportional to 1,658,790,745.20, 2,488,186,117.80 and 1,007,881,808.40
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Solution
The fourth proportional to 1,658,790,745.20, 2,488,186,117.80 and 1,007,881,808.40 is: 1,511,822,712.60
Step by Step Solution
- Step 1: Write the proportion equation
1,658,790,745.20 : 2,488,186,117.80 = 1,007,881,808.40 : x - Step 2: Convert to fraction form
1,658,790,745.20/2,488,186,117.80 = 1,007,881,808.40/x - Step 3: Cross multiply
1,658,790,745.20x = 2,488,186,117.80 × 1,007,881,808.40 - Step 4: Simplify right side
1,658,790,745.20x = 2,507,797,524,044,039,680 - Step 5: Solve for x
x = 2,507,797,524,044,039,680/1,658,790,745.20 - Step 6: Final answer
x = 1,511,822,712.60
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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.