Finding the Fourth Proportional to 6,926,034,774.78, 9,557,671,928.38 and 3,754,150,589.99
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Solution
The fourth proportional to 6,926,034,774.78, 9,557,671,928.38 and 3,754,150,589.99 is: 5,180,589,020.36
Step by Step Solution
- Step 1: Write the proportion equation
6,926,034,774.78 : 9,557,671,928.38 = 3,754,150,589.99 : x - Step 2: Convert to fraction form
6,926,034,774.78/9,557,671,928.38 = 3,754,150,589.99/x - Step 3: Cross multiply
6,926,034,774.78x = 9,557,671,928.38 × 3,754,150,589.99 - Step 4: Simplify right side
6,926,034,774.78x = 35,880,939,708,872,568,832 - Step 5: Solve for x
x = 35,880,939,708,872,568,832/6,926,034,774.78 - Step 6: Final answer
x = 5,180,589,020.36
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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.