Finding the Fourth Proportional to 442,912,113.70, 664,368,170.55 and 184,631,787.70
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Solution
The fourth proportional to 442,912,113.70, 664,368,170.55 and 184,631,787.70 is: 276,947,681.55
Step by Step Solution
- Step 1: Write the proportion equation
442,912,113.70 : 664,368,170.55 = 184,631,787.70 : x - Step 2: Convert to fraction form
442,912,113.70/664,368,170.55 = 184,631,787.70/x - Step 3: Cross multiply
442,912,113.70x = 664,368,170.55 × 184,631,787.70 - Step 4: Simplify right side
442,912,113.70x = 122,663,483,019,624,976 - Step 5: Solve for x
x = 122,663,483,019,624,976/442,912,113.70 - Step 6: Final answer
x = 276,947,681.55
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1.5x scale
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.