Finding the Fourth Proportional to 489,915,756.10, 734,873,634.15 and 486,514,533.70
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Solution
The fourth proportional to 489,915,756.10, 734,873,634.15 and 486,514,533.70 is: 729,771,800.55
Step by Step Solution
- Step 1: Write the proportion equation
489,915,756.10 : 734,873,634.15 = 486,514,533.70 : x - Step 2: Convert to fraction form
489,915,756.10/734,873,634.15 = 486,514,533.70/x - Step 3: Cross multiply
489,915,756.10x = 734,873,634.15 × 486,514,533.70 - Step 4: Simplify right side
489,915,756.10x = 357,526,703,446,911,616 - Step 5: Solve for x
x = 357,526,703,446,911,616/489,915,756.10 - Step 6: Final answer
x = 729,771,800.55
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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.