Finding the Fourth Proportional to 5,678,797,465.60, 8,518,196,198.40 and 2,621,149,849.60
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Solution
The fourth proportional to 5,678,797,465.60, 8,518,196,198.40 and 2,621,149,849.60 is: 3,931,724,774.40
Step by Step Solution
- Step 1: Write the proportion equation
5,678,797,465.60 : 8,518,196,198.40 = 2,621,149,849.60 : x - Step 2: Convert to fraction form
5,678,797,465.60/8,518,196,198.40 = 2,621,149,849.60/x - Step 3: Cross multiply
5,678,797,465.60x = 8,518,196,198.40 × 2,621,149,849.60 - Step 4: Simplify right side
5,678,797,465.60x = 22,327,468,684,299,448,320 - Step 5: Solve for x
x = 22,327,468,684,299,448,320/5,678,797,465.60 - Step 6: Final answer
x = 3,931,724,774.40
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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.