Finding the Fourth Proportional to 325,920,247.20, 488,880,370.80 and 153,733,363.20
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Solution
The fourth proportional to 325,920,247.20, 488,880,370.80 and 153,733,363.20 is: 230,600,044.80
Step by Step Solution
- Step 1: Write the proportion equation
325,920,247.20 : 488,880,370.80 = 153,733,363.20 : x - Step 2: Convert to fraction form
325,920,247.20/488,880,370.80 = 153,733,363.20/x - Step 3: Cross multiply
325,920,247.20x = 488,880,370.80 × 153,733,363.20 - Step 4: Simplify right side
325,920,247.20x = 75,157,223,605,547,072 - Step 5: Solve for x
x = 75,157,223,605,547,072/325,920,247.20 - Step 6: Final answer
x = 230,600,044.80
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1.5x scale
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.