Home / 470,059,358.70-705,320,762.85-211,457,592.30

Finding the Fourth Proportional to 470,059,358.70, 705,320,762.85 and 211,457,592.30

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Solution

The fourth proportional to 470,059,358.70, 705,320,762.85 and 211,457,592.30 is: 317,290,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,059,358.70 : 705,320,762.85 = 211,457,592.30 : x
  2. Step 2: Convert to fraction form
    470,059,358.70/705,320,762.85 = 211,457,592.30/x
  3. Step 3: Cross multiply
    470,059,358.70x = 705,320,762.85 × 211,457,592.30
  4. Step 4: Simplify right side
    470,059,358.70x = 149,145,430,311,460,288
  5. Step 5: Solve for x
    x = 149,145,430,311,460,288/470,059,358.70
  6. Step 6: Final answer
    x = 317,290,630.54

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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.