Finding the Fourth Proportional to 961,633,879.13, 1,442,083,121.80 and 524,701,025.08
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Solution
The fourth proportional to 961,633,879.13, 1,442,083,121.80 and 524,701,025.08 is: 786,850,909.35
Step by Step Solution
- Step 1: Write the proportion equation
961,633,879.13 : 1,442,083,121.80 = 524,701,025.08 : x - Step 2: Convert to fraction form
961,633,879.13/1,442,083,121.80 = 524,701,025.08/x - Step 3: Cross multiply
961,633,879.13x = 1,442,083,121.80 × 524,701,025.08 - Step 4: Simplify right side
961,633,879.13x = 756,662,492,259,026,432 - Step 5: Solve for x
x = 756,662,492,259,026,432/961,633,879.13 - Step 6: Final answer
x = 786,850,909.35
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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.