Finding the Fourth Proportional to 734,176,178.66, 1,100,861,744.42 and 291,069,972.74
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Solution
The fourth proportional to 734,176,178.66, 1,100,861,744.42 and 291,069,972.74 is: 436,445,375.45
Step by Step Solution
- Step 1: Write the proportion equation
734,176,178.66 : 1,100,861,744.42 = 291,069,972.74 : x - Step 2: Convert to fraction form
734,176,178.66/1,100,861,744.42 = 291,069,972.74/x - Step 3: Cross multiply
734,176,178.66x = 1,100,861,744.42 × 291,069,972.74 - Step 4: Simplify right side
734,176,178.66x = 320,427,797,938,838,272 - Step 5: Solve for x
x = 320,427,797,938,838,272/734,176,178.66 - Step 6: Final answer
x = 436,445,375.45
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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.