Finding the Fourth Proportional to 7,487,702,449.20, 11,231,553,673.80 and 5,310,920,113.20
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Solution
The fourth proportional to 7,487,702,449.20, 11,231,553,673.80 and 5,310,920,113.20 is: 7,966,380,169.80
Step by Step Solution
- Step 1: Write the proportion equation
7,487,702,449.20 : 11,231,553,673.80 = 5,310,920,113.20 : x - Step 2: Convert to fraction form
7,487,702,449.20/11,231,553,673.80 = 5,310,920,113.20/x - Step 3: Cross multiply
7,487,702,449.20x = 11,231,553,673.80 × 5,310,920,113.20 - Step 4: Simplify right side
7,487,702,449.20x = 59,649,884,308,669,767,680 - Step 5: Solve for x
x = 59,649,884,308,669,767,680/7,487,702,449.20 - Step 6: Final answer
x = 7,966,380,169.80
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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.