Finding the Fourth Proportional to 2,343,810,878.82, 3,232,987,774.65 and 1,390,516,700.09
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Solution
The fourth proportional to 2,343,810,878.82, 3,232,987,774.65 and 1,390,516,700.09 is: 1,918,040,202.15
Step by Step Solution
- Step 1: Write the proportion equation
2,343,810,878.82 : 3,232,987,774.65 = 1,390,516,700.09 : x - Step 2: Convert to fraction form
2,343,810,878.82/3,232,987,774.65 = 1,390,516,700.09/x - Step 3: Cross multiply
2,343,810,878.82x = 3,232,987,774.65 × 1,390,516,700.09 - Step 4: Simplify right side
2,343,810,878.82x = 4,495,523,491,821,466,112 - Step 5: Solve for x
x = 4,495,523,491,821,466,112/2,343,810,878.82 - Step 6: Final answer
x = 1,918,040,202.15
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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.