Finding the Fourth Proportional to 8,800,938,021.60, 13,201,407,032.40 and 5,305,544,276.40
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Solution
The fourth proportional to 8,800,938,021.60, 13,201,407,032.40 and 5,305,544,276.40 is: 7,958,316,414.60
Step by Step Solution
- Step 1: Write the proportion equation
8,800,938,021.60 : 13,201,407,032.40 = 5,305,544,276.40 : x - Step 2: Convert to fraction form
8,800,938,021.60/13,201,407,032.40 = 5,305,544,276.40/x - Step 3: Cross multiply
8,800,938,021.60x = 13,201,407,032.40 × 5,305,544,276.40 - Step 4: Simplify right side
8,800,938,021.60x = 70,040,649,521,176,518,656 - Step 5: Solve for x
x = 70,040,649,521,176,518,656/8,800,938,021.60 - Step 6: Final answer
x = 7,958,316,414.60
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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.