Finding the Fourth Proportional to 11,187,768,110.88, 15,439,117,665.12 and 6,175,514,206.08
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Solution
The fourth proportional to 11,187,768,110.88, 15,439,117,665.12 and 6,175,514,206.08 is: 8,522,208,319.42
Step by Step Solution
- Step 1: Write the proportion equation
11,187,768,110.88 : 15,439,117,665.12 = 6,175,514,206.08 : x - Step 2: Convert to fraction form
11,187,768,110.88/15,439,117,665.12 = 6,175,514,206.08/x - Step 3: Cross multiply
11,187,768,110.88x = 15,439,117,665.12 × 6,175,514,206.08 - Step 4: Simplify right side
11,187,768,110.88x = 95,344,490,470,289,244,160 - Step 5: Solve for x
x = 95,344,490,470,289,244,160/11,187,768,110.88 - Step 6: Final answer
x = 8,522,208,319.42
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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.