Finding the Fourth Proportional to 348,325,224.21, 480,688,670.43 and 191,692,331.19
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Solution
The fourth proportional to 348,325,224.21, 480,688,670.43 and 191,692,331.19 is: 264,535,340.56
Step by Step Solution
- Step 1: Write the proportion equation
348,325,224.21 : 480,688,670.43 = 191,692,331.19 : x - Step 2: Convert to fraction form
348,325,224.21/480,688,670.43 = 191,692,331.19/x - Step 3: Cross multiply
348,325,224.21x = 480,688,670.43 × 191,692,331.19 - Step 4: Simplify right side
348,325,224.21x = 92,144,331,811,348,320 - Step 5: Solve for x
x = 92,144,331,811,348,320/348,325,224.21 - Step 6: Final answer
x = 264,535,340.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.