Finding the Fourth Proportional to 734,852,264.40, 1,102,278,396.60 and 678,732,094.80
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Solution
The fourth proportional to 734,852,264.40, 1,102,278,396.60 and 678,732,094.80 is: 1,018,098,142.20
Step by Step Solution
- Step 1: Write the proportion equation
734,852,264.40 : 1,102,278,396.60 = 678,732,094.80 : x - Step 2: Convert to fraction form
734,852,264.40/1,102,278,396.60 = 678,732,094.80/x - Step 3: Cross multiply
734,852,264.40x = 1,102,278,396.60 × 678,732,094.80 - Step 4: Simplify right side
734,852,264.40x = 748,151,725,177,103,104 - Step 5: Solve for x
x = 748,151,725,177,103,104/734,852,264.40 - Step 6: Final answer
x = 1,018,098,142.20
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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.