Finding the Fourth Proportional to 472,393,044.90, 708,589,567.35 and 165,645,299.70
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Solution
The fourth proportional to 472,393,044.90, 708,589,567.35 and 165,645,299.70 is: 248,467,949.55
Step by Step Solution
- Step 1: Write the proportion equation
472,393,044.90 : 708,589,567.35 = 165,645,299.70 : x - Step 2: Convert to fraction form
472,393,044.90/708,589,567.35 = 165,645,299.70/x - Step 3: Cross multiply
472,393,044.90x = 708,589,567.35 × 165,645,299.70 - Step 4: Simplify right side
472,393,044.90x = 117,374,531,247,984,080 - Step 5: Solve for x
x = 117,374,531,247,984,080/472,393,044.90 - Step 6: Final answer
x = 248,467,949.55
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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.