Home / 470,381,846.60-704,229,077.10-422,008,905.80

Finding the Fourth Proportional to 470,381,846.60, 704,229,077.10 and 422,008,905.80

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Solution

The fourth proportional to 470,381,846.60, 704,229,077.10 and 422,008,905.80 is: 631,807,848.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,381,846.60 : 704,229,077.10 = 422,008,905.80 : x
  2. Step 2: Convert to fraction form
    470,381,846.60/704,229,077.10 = 422,008,905.80/x
  3. Step 3: Cross multiply
    470,381,846.60x = 704,229,077.10 × 422,008,905.80
  4. Step 4: Simplify right side
    470,381,846.60x = 297,190,942,259,514,880
  5. Step 5: Solve for x
    x = 297,190,942,259,514,880/470,381,846.60
  6. Step 6: Final answer
    x = 631,807,848.04

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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.