Finding the Fourth Proportional to 424,437,420.60, 585,719,506.62 and 236,262,730.68
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Solution
The fourth proportional to 424,437,420.60, 585,719,506.62 and 236,262,730.68 is: 326,040,267.26
Step by Step Solution
- Step 1: Write the proportion equation
424,437,420.60 : 585,719,506.62 = 236,262,730.68 : x - Step 2: Convert to fraction form
424,437,420.60/585,719,506.62 = 236,262,730.68/x - Step 3: Cross multiply
424,437,420.60x = 585,719,506.62 × 236,262,730.68 - Step 4: Simplify right side
424,437,420.60x = 138,383,690,046,583,536 - Step 5: Solve for x
x = 138,383,690,046,583,536/424,437,420.60 - Step 6: Final answer
x = 326,040,267.26
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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.