Finding the Fourth Proportional to 489,203,496, 733,805,235.36 and 178,334,421.12
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Solution
The fourth proportional to 489,203,496, 733,805,235.36 and 178,334,421.12 is: 267,501,628.53
Step by Step Solution
- Step 1: Write the proportion equation
489,203,496 : 733,805,235.36 = 178,334,421.12 : x - Step 2: Convert to fraction form
489,203,496/733,805,235.36 = 178,334,421.12/x - Step 3: Cross multiply
489,203,496x = 733,805,235.36 × 178,334,421.12 - Step 4: Simplify right side
489,203,496x = 130,862,731,862,750,960 - Step 5: Solve for x
x = 130,862,731,862,750,960/489,203,496 - Step 6: Final answer
x = 267,501,628.53
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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.