Finding the Fourth Proportional to 1,679,618,233.90, 2,519,427,350.85 and 1,160,952,813.10
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Solution
The fourth proportional to 1,679,618,233.90, 2,519,427,350.85 and 1,160,952,813.10 is: 1,741,429,219.65
Step by Step Solution
- Step 1: Write the proportion equation
1,679,618,233.90 : 2,519,427,350.85 = 1,160,952,813.10 : x - Step 2: Convert to fraction form
1,679,618,233.90/2,519,427,350.85 = 1,160,952,813.10/x - Step 3: Cross multiply
1,679,618,233.90x = 2,519,427,350.85 × 1,160,952,813.10 - Step 4: Simplify right side
1,679,618,233.90x = 2,924,936,270,370,387,968 - Step 5: Solve for x
x = 2,924,936,270,370,387,968/1,679,618,233.90 - Step 6: Final answer
x = 1,741,429,219.65
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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.