Finding the Fourth Proportional to 425,187,738.10, 586,759,073.70 and 229,617,450.10
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Solution
The fourth proportional to 425,187,738.10, 586,759,073.70 and 229,617,450.10 is: 316,872,078.50
Step by Step Solution
- Step 1: Write the proportion equation
425,187,738.10 : 586,759,073.70 = 229,617,450.10 : x - Step 2: Convert to fraction form
425,187,738.10/586,759,073.70 = 229,617,450.10/x - Step 3: Cross multiply
425,187,738.10x = 586,759,073.70 × 229,617,450.10 - Step 4: Simplify right side
425,187,738.10x = 134,730,122,321,950,096 - Step 5: Solve for x
x = 134,730,122,321,950,096/425,187,738.10 - Step 6: Final answer
x = 316,872,078.50
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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.