Finding the Fourth Proportional to 6,268,763,139.20, 9,403,144,708.80 and 1,906,688,412.80
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Solution
The fourth proportional to 6,268,763,139.20, 9,403,144,708.80 and 1,906,688,412.80 is: 2,860,032,619.20
Step by Step Solution
- Step 1: Write the proportion equation
6,268,763,139.20 : 9,403,144,708.80 = 1,906,688,412.80 : x - Step 2: Convert to fraction form
6,268,763,139.20/9,403,144,708.80 = 1,906,688,412.80/x - Step 3: Cross multiply
6,268,763,139.20x = 9,403,144,708.80 × 1,906,688,412.80 - Step 4: Simplify right side
6,268,763,139.20x = 17,928,867,060,150,587,392 - Step 5: Solve for x
x = 17,928,867,060,150,587,392/6,268,763,139.20 - Step 6: Final answer
x = 2,860,032,619.20
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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.