Finding the Fourth Proportional to 2,794,134,460.40, 4,191,201,690.60 and 2,658,085,564.40
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Solution
The fourth proportional to 2,794,134,460.40, 4,191,201,690.60 and 2,658,085,564.40 is: 3,987,128,346.60
Step by Step Solution
- Step 1: Write the proportion equation
2,794,134,460.40 : 4,191,201,690.60 = 2,658,085,564.40 : x - Step 2: Convert to fraction form
2,794,134,460.40/4,191,201,690.60 = 2,658,085,564.40/x - Step 3: Cross multiply
2,794,134,460.40x = 4,191,201,690.60 × 2,658,085,564.40 - Step 4: Simplify right side
2,794,134,460.40x = 11,140,572,711,272,734,720 - Step 5: Solve for x
x = 11,140,572,711,272,734,720/2,794,134,460.40 - Step 6: Final answer
x = 3,987,128,346.60
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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.