Finding the Fourth Proportional to 4,257,115,440.40, 6,385,673,160.60 and 3,087,094,934.80
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Solution
The fourth proportional to 4,257,115,440.40, 6,385,673,160.60 and 3,087,094,934.80 is: 4,630,642,402.20
Step by Step Solution
- Step 1: Write the proportion equation
4,257,115,440.40 : 6,385,673,160.60 = 3,087,094,934.80 : x - Step 2: Convert to fraction form
4,257,115,440.40/6,385,673,160.60 = 3,087,094,934.80/x - Step 3: Cross multiply
4,257,115,440.40x = 6,385,673,160.60 × 3,087,094,934.80 - Step 4: Simplify right side
4,257,115,440.40x = 19,713,179,269,376,569,344 - Step 5: Solve for x
x = 19,713,179,269,376,569,344/4,257,115,440.40 - Step 6: Final answer
x = 4,630,642,402.20
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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.