Finding the Fourth Proportional to 4,217,055,752.80, 6,325,583,629.20 and 3,128,664,584.80
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Solution
The fourth proportional to 4,217,055,752.80, 6,325,583,629.20 and 3,128,664,584.80 is: 4,692,996,877.20
Step by Step Solution
- Step 1: Write the proportion equation
4,217,055,752.80 : 6,325,583,629.20 = 3,128,664,584.80 : x - Step 2: Convert to fraction form
4,217,055,752.80/6,325,583,629.20 = 3,128,664,584.80/x - Step 3: Cross multiply
4,217,055,752.80x = 6,325,583,629.20 × 3,128,664,584.80 - Step 4: Simplify right side
4,217,055,752.80x = 19,790,629,478,868,697,088 - Step 5: Solve for x
x = 19,790,629,478,868,697,088/4,217,055,752.80 - Step 6: Final answer
x = 4,692,996,877.20
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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.