Home / 1,057,695,806.20-1,586,543,709.30-785,598,014.20

Finding the Fourth Proportional to 1,057,695,806.20, 1,586,543,709.30 and 785,598,014.20

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Solution

The fourth proportional to 1,057,695,806.20, 1,586,543,709.30 and 785,598,014.20 is: 1,178,397,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,695,806.20 : 1,586,543,709.30 = 785,598,014.20 : x
  2. Step 2: Convert to fraction form
    1,057,695,806.20/1,586,543,709.30 = 785,598,014.20/x
  3. Step 3: Cross multiply
    1,057,695,806.20x = 1,586,543,709.30 × 785,598,014.20
  4. Step 4: Simplify right side
    1,057,695,806.20x = 1,246,385,587,467,582,208
  5. Step 5: Solve for x
    x = 1,246,385,587,467,582,208/1,057,695,806.20
  6. Step 6: Final answer
    x = 1,178,397,021.30

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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.