Finding the Fourth Proportional to 1,106,339,728.60, 1,659,509,592.90 and 555,341,699.80
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Solution
The fourth proportional to 1,106,339,728.60, 1,659,509,592.90 and 555,341,699.80 is: 833,012,549.70
Step by Step Solution
- Step 1: Write the proportion equation
1,106,339,728.60 : 1,659,509,592.90 = 555,341,699.80 : x - Step 2: Convert to fraction form
1,106,339,728.60/1,659,509,592.90 = 555,341,699.80/x - Step 3: Cross multiply
1,106,339,728.60x = 1,659,509,592.90 × 555,341,699.80 - Step 4: Simplify right side
1,106,339,728.60x = 921,594,878,155,491,968 - Step 5: Solve for x
x = 921,594,878,155,491,968/1,106,339,728.60 - Step 6: Final answer
x = 833,012,549.70
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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.