Finding the Fourth Proportional to 358,458,550.90, 537,687,826.35 and 247,493,670.10
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Solution
The fourth proportional to 358,458,550.90, 537,687,826.35 and 247,493,670.10 is: 371,240,505.15
Step by Step Solution
- Step 1: Write the proportion equation
358,458,550.90 : 537,687,826.35 = 247,493,670.10 : x - Step 2: Convert to fraction form
358,458,550.90/537,687,826.35 = 247,493,670.10/x - Step 3: Cross multiply
358,458,550.90x = 537,687,826.35 × 247,493,670.10 - Step 4: Simplify right side
358,458,550.90x = 133,074,333,511,452,992 - Step 5: Solve for x
x = 133,074,333,511,452,992/358,458,550.90 - Step 6: Final answer
x = 371,240,505.15
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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.