Finding the Fourth Proportional to 734,176,188.52, 1,100,861,759.98 and 291,069,983.12
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Solution
The fourth proportional to 734,176,188.52, 1,100,861,759.98 and 291,069,983.12 is: 436,445,391.32
Step by Step Solution
- Step 1: Write the proportion equation
734,176,188.52 : 1,100,861,759.98 = 291,069,983.12 : x - Step 2: Convert to fraction form
734,176,188.52/1,100,861,759.98 = 291,069,983.12/x - Step 3: Cross multiply
734,176,188.52x = 1,100,861,759.98 × 291,069,983.12 - Step 4: Simplify right side
734,176,188.52x = 320,427,813,894,832,128 - Step 5: Solve for x
x = 320,427,813,894,832,128/734,176,188.52 - Step 6: Final answer
x = 436,445,391.32
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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.