Finding the Fourth Proportional to 489,915,725.60, 734,873,588.40 and 486,514,503.20
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Solution
The fourth proportional to 489,915,725.60, 734,873,588.40 and 486,514,503.20 is: 729,771,754.80
Step by Step Solution
- Step 1: Write the proportion equation
489,915,725.60 : 734,873,588.40 = 486,514,503.20 : x - Step 2: Convert to fraction form
489,915,725.60/734,873,588.40 = 486,514,503.20/x - Step 3: Cross multiply
489,915,725.60x = 734,873,588.40 × 486,514,503.20 - Step 4: Simplify right side
489,915,725.60x = 357,526,658,775,227,264 - Step 5: Solve for x
x = 357,526,658,775,227,264/489,915,725.60 - Step 6: Final answer
x = 729,771,754.80
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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.