Finding the Fourth Proportional to 1,035,879,423.60, 1,553,819,135.40 and 269,974,527.60
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Solution
The fourth proportional to 1,035,879,423.60, 1,553,819,135.40 and 269,974,527.60 is: 404,961,791.40
Step by Step Solution
- Step 1: Write the proportion equation
1,035,879,423.60 : 1,553,819,135.40 = 269,974,527.60 : x - Step 2: Convert to fraction form
1,035,879,423.60/1,553,819,135.40 = 269,974,527.60/x - Step 3: Cross multiply
1,035,879,423.60x = 1,553,819,135.40 × 269,974,527.60 - Step 4: Simplify right side
1,035,879,423.60x = 419,491,587,055,455,488 - Step 5: Solve for x
x = 419,491,587,055,455,488/1,035,879,423.60 - Step 6: Final answer
x = 404,961,791.40
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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.