Finding the Fourth Proportional to 537,857,743.11, 742,224,089.88 and 299,690,621.88
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Solution
The fourth proportional to 537,857,743.11, 742,224,089.88 and 299,690,621.88 is: 413,562,139.65
Step by Step Solution
- Step 1: Write the proportion equation
537,857,743.11 : 742,224,089.88 = 299,690,621.88 : x - Step 2: Convert to fraction form
537,857,743.11/742,224,089.88 = 299,690,621.88/x - Step 3: Cross multiply
537,857,743.11x = 742,224,089.88 × 299,690,621.88 - Step 4: Simplify right side
537,857,743.11x = 222,437,599,070,454,208 - Step 5: Solve for x
x = 222,437,599,070,454,208/537,857,743.11 - Step 6: Final answer
x = 413,562,139.65
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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.