Finding the Fourth Proportional to 888,307,462.80, 1,225,902,601.08 and 491,830,440.48
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Solution
The fourth proportional to 888,307,462.80, 1,225,902,601.08 and 491,830,440.48 is: 678,747,214.81
Step by Step Solution
- Step 1: Write the proportion equation
888,307,462.80 : 1,225,902,601.08 = 491,830,440.48 : x - Step 2: Convert to fraction form
888,307,462.80/1,225,902,601.08 = 491,830,440.48/x - Step 3: Cross multiply
888,307,462.80x = 1,225,902,601.08 × 491,830,440.48 - Step 4: Simplify right side
888,307,462.80x = 602,936,216,274,754,048 - Step 5: Solve for x
x = 602,936,216,274,754,048/888,307,462.80 - Step 6: Final answer
x = 678,747,214.81
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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.