Finding the Fourth Proportional to 1,770,766,551.90, 2,656,149,827.85 and 543,996,020.70
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Solution
The fourth proportional to 1,770,766,551.90, 2,656,149,827.85 and 543,996,020.70 is: 815,994,031.05
Step by Step Solution
- Step 1: Write the proportion equation
1,770,766,551.90 : 2,656,149,827.85 = 543,996,020.70 : x - Step 2: Convert to fraction form
1,770,766,551.90/2,656,149,827.85 = 543,996,020.70/x - Step 3: Cross multiply
1,770,766,551.90x = 2,656,149,827.85 × 543,996,020.70 - Step 4: Simplify right side
1,770,766,551.90x = 1,444,934,936,733,390,080 - Step 5: Solve for x
x = 1,444,934,936,733,390,080/1,770,766,551.90 - Step 6: Final answer
x = 815,994,031.05
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Double scale
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Similar ratio
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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.