Finding the Fourth Proportional to 3,068,995,228.09, 4,235,205,448.87 and 1,712,614,908.44
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Solution
The fourth proportional to 3,068,995,228.09, 4,235,205,448.87 and 1,712,614,908.44 is: 2,363,404,128.38
Step by Step Solution
- Step 1: Write the proportion equation
3,068,995,228.09 : 4,235,205,448.87 = 1,712,614,908.44 : x - Step 2: Convert to fraction form
3,068,995,228.09/4,235,205,448.87 = 1,712,614,908.44/x - Step 3: Cross multiply
3,068,995,228.09x = 4,235,205,448.87 × 1,712,614,908.44 - Step 4: Simplify right side
3,068,995,228.09x = 7,253,275,992,047,390,720 - Step 5: Solve for x
x = 7,253,275,992,047,390,720/3,068,995,228.09 - Step 6: Final answer
x = 2,363,404,128.38
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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.