Finding the Fourth Proportional to 297,943,774.02, 446,625,814.92 and 142,457,176.26
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Solution
The fourth proportional to 297,943,774.02, 446,625,814.92 and 142,457,176.26 is: 213,547,178.99
Step by Step Solution
- Step 1: Write the proportion equation
297,943,774.02 : 446,625,814.92 = 142,457,176.26 : x - Step 2: Convert to fraction form
297,943,774.02/446,625,814.92 = 142,457,176.26/x - Step 3: Cross multiply
297,943,774.02x = 446,625,814.92 × 142,457,176.26 - Step 4: Simplify right side
297,943,774.02x = 63,625,052,438,324,576 - Step 5: Solve for x
x = 63,625,052,438,324,576/297,943,774.02 - Step 6: Final answer
x = 213,547,178.99
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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.