Finding the Fourth Proportional to 403,609,537.20, 605,414,305.80 and 383,454,145.20
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Solution
The fourth proportional to 403,609,537.20, 605,414,305.80 and 383,454,145.20 is: 575,181,217.80
Step by Step Solution
- Step 1: Write the proportion equation
403,609,537.20 : 605,414,305.80 = 383,454,145.20 : x - Step 2: Convert to fraction form
403,609,537.20/605,414,305.80 = 383,454,145.20/x - Step 3: Cross multiply
403,609,537.20x = 605,414,305.80 × 383,454,145.20 - Step 4: Simplify right side
403,609,537.20x = 232,148,625,122,390,368 - Step 5: Solve for x
x = 232,148,625,122,390,368/403,609,537.20 - Step 6: Final answer
x = 575,181,217.80
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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.