Finding the Fourth Proportional to 425,697,238.20, 587,351,014.12 and 249,390,456.08
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Solution
The fourth proportional to 425,697,238.20, 587,351,014.12 and 249,390,456.08 is: 344,093,698.87
Step by Step Solution
- Step 1: Write the proportion equation
425,697,238.20 : 587,351,014.12 = 249,390,456.08 : x - Step 2: Convert to fraction form
425,697,238.20/587,351,014.12 = 249,390,456.08/x - Step 3: Cross multiply
425,697,238.20x = 587,351,014.12 × 249,390,456.08 - Step 4: Simplify right side
425,697,238.20x = 146,479,737,290,437,344 - Step 5: Solve for x
x = 146,479,737,290,437,344/425,697,238.20 - Step 6: Final answer
x = 344,093,698.87
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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.