Finding the Fourth Proportional to 5,038,860,139.20, 7,558,290,208.80 and 4,610,306,116.80
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Solution
The fourth proportional to 5,038,860,139.20, 7,558,290,208.80 and 4,610,306,116.80 is: 6,915,459,175.20
Step by Step Solution
- Step 1: Write the proportion equation
5,038,860,139.20 : 7,558,290,208.80 = 4,610,306,116.80 : x - Step 2: Convert to fraction form
5,038,860,139.20/7,558,290,208.80 = 4,610,306,116.80/x - Step 3: Cross multiply
5,038,860,139.20x = 7,558,290,208.80 × 4,610,306,116.80 - Step 4: Simplify right side
5,038,860,139.20x = 34,846,031,582,180,192,256 - Step 5: Solve for x
x = 34,846,031,582,180,192,256/5,038,860,139.20 - Step 6: Final answer
x = 6,915,459,175.20
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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.