Home / 507,577,744.92-700,686,803.09-319,682,178.47

Finding the Fourth Proportional to 507,577,744.92, 700,686,803.09 and 319,682,178.47

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Solution

The fourth proportional to 507,577,744.92, 700,686,803.09 and 319,682,178.47 is: 441,305,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,577,744.92 : 700,686,803.09 = 319,682,178.47 : x
  2. Step 2: Convert to fraction form
    507,577,744.92/700,686,803.09 = 319,682,178.47/x
  3. Step 3: Cross multiply
    507,577,744.92x = 700,686,803.09 × 319,682,178.47
  4. Step 4: Simplify right side
    507,577,744.92x = 223,997,083,639,542,048
  5. Step 5: Solve for x
    x = 223,997,083,639,542,048/507,577,744.92
  6. Step 6: Final answer
    x = 441,305,959.29

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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.