Finding the Fourth Proportional to 5,625,167,815.08, 7,762,018,101.48 and 3,084,181,126.92
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Solution
The fourth proportional to 5,625,167,815.08, 7,762,018,101.48 and 3,084,181,126.92 is: 4,255,778,764.72
Step by Step Solution
- Step 1: Write the proportion equation
5,625,167,815.08 : 7,762,018,101.48 = 3,084,181,126.92 : x - Step 2: Convert to fraction form
5,625,167,815.08/7,762,018,101.48 = 3,084,181,126.92/x - Step 3: Cross multiply
5,625,167,815.08x = 7,762,018,101.48 × 3,084,181,126.92 - Step 4: Simplify right side
5,625,167,815.08x = 23,939,469,735,396,024,320 - Step 5: Solve for x
x = 23,939,469,735,396,024,320/5,625,167,815.08 - Step 6: Final answer
x = 4,255,778,764.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.