Finding the Fourth Proportional to 953,981,377.38, 1,430,972,565.12 and 298,983,417.18
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Solution
The fourth proportional to 953,981,377.38, 1,430,972,565.12 and 298,983,417.18 is: 448,475,282.18
Step by Step Solution
- Step 1: Write the proportion equation
953,981,377.38 : 1,430,972,565.12 = 298,983,417.18 : x - Step 2: Convert to fraction form
953,981,377.38/1,430,972,565.12 = 298,983,417.18/x - Step 3: Cross multiply
953,981,377.38x = 1,430,972,565.12 × 298,983,417.18 - Step 4: Simplify right side
953,981,377.38x = 427,837,067,410,407,680 - Step 5: Solve for x
x = 427,837,067,410,407,680/953,981,377.38 - Step 6: Final answer
x = 448,475,282.18
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1.5x scale
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.