Finding the Fourth Proportional to 323,627,515.62, 446,727,422.64 and 212,125,542
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Solution
The fourth proportional to 323,627,515.62, 446,727,422.64 and 212,125,542 is: 292,812,854.53
Step by Step Solution
- Step 1: Write the proportion equation
323,627,515.62 : 446,727,422.64 = 212,125,542 : x - Step 2: Convert to fraction form
323,627,515.62/446,727,422.64 = 212,125,542/x - Step 3: Cross multiply
323,627,515.62x = 446,727,422.64 × 212,125,542 - Step 4: Simplify right side
323,627,515.62x = 94,762,296,653,773,072 - Step 5: Solve for x
x = 94,762,296,653,773,072/323,627,515.62 - Step 6: Final answer
x = 292,812,854.53
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1.5x scale
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.