Finding the Fourth Proportional to 842,859,591.68, 1,264,289,387.51 and 358,122,414.08
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Solution
The fourth proportional to 842,859,591.68, 1,264,289,387.51 and 358,122,414.08 is: 537,183,621.11
Step by Step Solution
- Step 1: Write the proportion equation
842,859,591.68 : 1,264,289,387.51 = 358,122,414.08 : x - Step 2: Convert to fraction form
842,859,591.68/1,264,289,387.51 = 358,122,414.08/x - Step 3: Cross multiply
842,859,591.68x = 1,264,289,387.51 × 358,122,414.08 - Step 4: Simplify right side
842,859,591.68x = 452,770,367,545,379,648 - Step 5: Solve for x
x = 452,770,367,545,379,648/842,859,591.68 - Step 6: Final answer
x = 537,183,621.11
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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.