Finding the Fourth Proportional to 307,523,244.56, 424,381,801.10 and 173,589,358.62
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Solution
The fourth proportional to 307,523,244.56, 424,381,801.10 and 173,589,358.62 is: 239,553,158.88
Step by Step Solution
- Step 1: Write the proportion equation
307,523,244.56 : 424,381,801.10 = 173,589,358.62 : x - Step 2: Convert to fraction form
307,523,244.56/424,381,801.10 = 173,589,358.62/x - Step 3: Cross multiply
307,523,244.56x = 424,381,801.10 × 173,589,358.62 - Step 4: Simplify right side
307,523,244.56x = 73,668,164,662,949,424 - Step 5: Solve for x
x = 73,668,164,662,949,424/307,523,244.56 - Step 6: Final answer
x = 239,553,158.88
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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.