Finding the Fourth Proportional to 350,378,837.71, 483,358,165.41 and 249,929,476.66
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Solution
The fourth proportional to 350,378,837.71, 483,358,165.41 and 249,929,476.66 is: 344,785,244.76
Step by Step Solution
- Step 1: Write the proportion equation
350,378,837.71 : 483,358,165.41 = 249,929,476.66 : x - Step 2: Convert to fraction form
350,378,837.71/483,358,165.41 = 249,929,476.66/x - Step 3: Cross multiply
350,378,837.71x = 483,358,165.41 × 249,929,476.66 - Step 4: Simplify right side
350,378,837.71x = 120,805,453,320,259,024 - Step 5: Solve for x
x = 120,805,453,320,259,024/350,378,837.71 - Step 6: Final answer
x = 344,785,244.76
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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.