Finding the Fourth Proportional to 1,024,977,644.49, 1,414,462,107.15 and 555,068,212.08
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Solution
The fourth proportional to 1,024,977,644.49, 1,414,462,107.15 and 555,068,212.08 is: 765,990,318.99
Step by Step Solution
- Step 1: Write the proportion equation
1,024,977,644.49 : 1,414,462,107.15 = 555,068,212.08 : x - Step 2: Convert to fraction form
1,024,977,644.49/1,414,462,107.15 = 555,068,212.08/x - Step 3: Cross multiply
1,024,977,644.49x = 1,414,462,107.15 × 555,068,212.08 - Step 4: Simplify right side
1,024,977,644.49x = 785,122,952,865,355,648 - Step 5: Solve for x
x = 785,122,952,865,355,648/1,024,977,644.49 - Step 6: Final answer
x = 765,990,318.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.