Finding the Fourth Proportional to 4,750,656,235.40, 7,125,984,353.10 and 4,138,436,203.40
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Solution
The fourth proportional to 4,750,656,235.40, 7,125,984,353.10 and 4,138,436,203.40 is: 6,207,654,305.10
Step by Step Solution
- Step 1: Write the proportion equation
4,750,656,235.40 : 7,125,984,353.10 = 4,138,436,203.40 : x - Step 2: Convert to fraction form
4,750,656,235.40/7,125,984,353.10 = 4,138,436,203.40/x - Step 3: Cross multiply
4,750,656,235.40x = 7,125,984,353.10 × 4,138,436,203.40 - Step 4: Simplify right side
4,750,656,235.40x = 29,490,431,631,730,970,624 - Step 5: Solve for x
x = 29,490,431,631,730,970,624/4,750,656,235.40 - Step 6: Final answer
x = 6,207,654,305.10
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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.