Finding the Fourth Proportional to 3,222,912,192.90, 4,834,368,289.35 and 893,844,672.90
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Solution
The fourth proportional to 3,222,912,192.90, 4,834,368,289.35 and 893,844,672.90 is: 1,340,767,009.35
Step by Step Solution
- Step 1: Write the proportion equation
3,222,912,192.90 : 4,834,368,289.35 = 893,844,672.90 : x - Step 2: Convert to fraction form
3,222,912,192.90/4,834,368,289.35 = 893,844,672.90/x - Step 3: Cross multiply
3,222,912,192.90x = 4,834,368,289.35 × 893,844,672.90 - Step 4: Simplify right side
3,222,912,192.90x = 4,321,174,342,272,183,296 - Step 5: Solve for x
x = 4,321,174,342,272,183,296/3,222,912,192.90 - Step 6: Final answer
x = 1,340,767,009.35
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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.