Finding the Fourth Proportional to 409,460,756, 614,191,134 and 136,831,523
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Solution
The fourth proportional to 409,460,756, 614,191,134 and 136,831,523 is: 205,247,284.50
Step by Step Solution
- Step 1: Write the proportion equation
409,460,756 : 614,191,134 = 136,831,523 : x - Step 2: Convert to fraction form
409,460,756/614,191,134 = 136,831,523/x - Step 3: Cross multiply
409,460,756x = 614,191,134 × 136,831,523 - Step 4: Simplify right side
409,460,756x = 84,040,708,278,317,088 - Step 5: Solve for x
x = 84,040,708,278,317,088/409,460,756 - Step 6: Final answer
x = 205,247,284.50
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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.