Finding the Fourth Proportional to 486,176,778.41, 729,267,037.49 and 117,711,116.82
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Solution
The fourth proportional to 486,176,778.41, 729,267,037.49 and 117,711,116.82 is: 176,567,127.96
Step by Step Solution
- Step 1: Write the proportion equation
486,176,778.41 : 729,267,037.49 = 117,711,116.82 : x - Step 2: Convert to fraction form
486,176,778.41/729,267,037.49 = 117,711,116.82/x - Step 3: Cross multiply
486,176,778.41x = 729,267,037.49 × 117,711,116.82 - Step 4: Simplify right side
486,176,778.41x = 85,842,837,443,254,976 - Step 5: Solve for x
x = 85,842,837,443,254,976/486,176,778.41 - Step 6: Final answer
x = 176,567,127.96
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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.