Finding the Fourth Proportional to 489,915,758.10, 734,873,637.15 and 486,514,535.70
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Solution
The fourth proportional to 489,915,758.10, 734,873,637.15 and 486,514,535.70 is: 729,771,803.55
Step by Step Solution
- Step 1: Write the proportion equation
489,915,758.10 : 734,873,637.15 = 486,514,535.70 : x - Step 2: Convert to fraction form
489,915,758.10/734,873,637.15 = 486,514,535.70/x - Step 3: Cross multiply
489,915,758.10x = 734,873,637.15 × 486,514,535.70 - Step 4: Simplify right side
489,915,758.10x = 357,526,706,376,202,496 - Step 5: Solve for x
x = 357,526,706,376,202,496/489,915,758.10 - Step 6: Final answer
x = 729,771,803.55
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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.