Finding the Fourth Proportional to 286,586,327.80, 429,879,491.70 and 286,586,327.80
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Solution
The fourth proportional to 286,586,327.80, 429,879,491.70 and 286,586,327.80 is: 429,879,491.70
Step by Step Solution
- Step 1: Write the proportion equation
286,586,327.80 : 429,879,491.70 = 286,586,327.80 : x - Step 2: Convert to fraction form
286,586,327.80/429,879,491.70 = 286,586,327.80/x - Step 3: Cross multiply
286,586,327.80x = 429,879,491.70 × 286,586,327.80 - Step 4: Simplify right side
286,586,327.80x = 123,197,584,922,833,584 - Step 5: Solve for x
x = 123,197,584,922,833,584/286,586,327.80 - Step 6: Final answer
x = 429,879,491.70
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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.