Finding the Fourth Proportional to 247,034,603,520.81, 368,888,370,421.41 and 201,745,155,497.67
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Solution
The fourth proportional to 247,034,603,520.81, 368,888,370,421.41 and 201,745,155,497.67 is: 301,259,178,233.63
Step by Step Solution
- Step 1: Write the proportion equation
247,034,603,520.81 : 368,888,370,421.41 = 201,745,155,497.67 : x - Step 2: Convert to fraction form
247,034,603,520.81/368,888,370,421.41 = 201,745,155,497.67/x - Step 3: Cross multiply
247,034,603,520.81x = 368,888,370,421.41 × 201,745,155,497.67 - Step 4: Simplify right side
247,034,603,520.81x = 74,421,441,651,949,449,510,912 - Step 5: Solve for x
x = 74,421,441,651,949,449,510,912/247,034,603,520.81 - Step 6: Final answer
x = 301,259,178,233.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.