Home / 874,255,997.42-1,311,240,353.28-313,901,826.80

Finding the Fourth Proportional to 874,255,997.42, 1,311,240,353.28 and 313,901,826.80

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Solution

The fourth proportional to 874,255,997.42, 1,311,240,353.28 and 313,901,826.80 is: 470,801,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,255,997.42 : 1,311,240,353.28 = 313,901,826.80 : x
  2. Step 2: Convert to fraction form
    874,255,997.42/1,311,240,353.28 = 313,901,826.80/x
  3. Step 3: Cross multiply
    874,255,997.42x = 1,311,240,353.28 × 313,901,826.80
  4. Step 4: Simplify right side
    874,255,997.42x = 411,600,742,263,388,480
  5. Step 5: Solve for x
    x = 411,600,742,263,388,480/874,255,997.42
  6. Step 6: Final answer
    x = 470,801,165.19

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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.