Finding the Fourth Proportional to 936,211,934.16, 1,291,956,635.56 and 518,515,251.36
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Solution
The fourth proportional to 936,211,934.16, 1,291,956,635.56 and 518,515,251.36 is: 715,542,277.54
Step by Step Solution
- Step 1: Write the proportion equation
936,211,934.16 : 1,291,956,635.56 = 518,515,251.36 : x - Step 2: Convert to fraction form
936,211,934.16/1,291,956,635.56 = 518,515,251.36/x - Step 3: Cross multiply
936,211,934.16x = 1,291,956,635.56 × 518,515,251.36 - Step 4: Simplify right side
936,211,934.16x = 669,899,219,633,613,312 - Step 5: Solve for x
x = 669,899,219,633,613,312/936,211,934.16 - Step 6: Final answer
x = 715,542,277.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.