Finding the Fourth Proportional to 606,295,312.20, 909,442,968.30 and 412,585,067.70
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Solution
The fourth proportional to 606,295,312.20, 909,442,968.30 and 412,585,067.70 is: 618,877,601.55
Step by Step Solution
- Step 1: Write the proportion equation
606,295,312.20 : 909,442,968.30 = 412,585,067.70 : x - Step 2: Convert to fraction form
606,295,312.20/909,442,968.30 = 412,585,067.70/x - Step 3: Cross multiply
606,295,312.20x = 909,442,968.30 × 412,585,067.70 - Step 4: Simplify right side
606,295,312.20x = 375,222,588,645,344,448 - Step 5: Solve for x
x = 375,222,588,645,344,448/606,295,312.20 - Step 6: Final answer
x = 618,877,601.55
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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.