Finding the Fourth Proportional to 743,251,691.56, 1,114,805,497.56 and 225,686,681.68
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Solution
The fourth proportional to 743,251,691.56, 1,114,805,497.56 and 225,686,681.68 is: 338,508,147.81
Step by Step Solution
- Step 1: Write the proportion equation
743,251,691.56 : 1,114,805,497.56 = 225,686,681.68 : x - Step 2: Convert to fraction form
743,251,691.56/1,114,805,497.56 = 225,686,681.68/x - Step 3: Cross multiply
743,251,691.56x = 1,114,805,497.56 × 225,686,681.68 - Step 4: Simplify right side
743,251,691.56x = 251,596,753,462,937,728 - Step 5: Solve for x
x = 251,596,753,462,937,728/743,251,691.56 - Step 6: Final answer
x = 338,508,147.81
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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.