Finding the Fourth Proportional to 1,176,385,114.80, 1,764,644,027.40 and 358,524,097.20
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Solution
The fourth proportional to 1,176,385,114.80, 1,764,644,027.40 and 358,524,097.20 is: 537,806,368.72
Step by Step Solution
- Step 1: Write the proportion equation
1,176,385,114.80 : 1,764,644,027.40 = 358,524,097.20 : x - Step 2: Convert to fraction form
1,176,385,114.80/1,764,644,027.40 = 358,524,097.20/x - Step 3: Cross multiply
1,176,385,114.80x = 1,764,644,027.40 × 358,524,097.20 - Step 4: Simplify right side
1,176,385,114.80x = 632,667,406,802,957,056 - Step 5: Solve for x
x = 632,667,406,802,957,056/1,176,385,114.80 - Step 6: Final answer
x = 537,806,368.72
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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.