Home / 470,339,615.40-705,463,833.60-142,818,007.56

Finding the Fourth Proportional to 470,339,615.40, 705,463,833.60 and 142,818,007.56

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Solution

The fourth proportional to 470,339,615.40, 705,463,833.60 and 142,818,007.56 is: 214,213,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,339,615.40 : 705,463,833.60 = 142,818,007.56 : x
  2. Step 2: Convert to fraction form
    470,339,615.40/705,463,833.60 = 142,818,007.56/x
  3. Step 3: Cross multiply
    470,339,615.40x = 705,463,833.60 × 142,818,007.56
  4. Step 4: Simplify right side
    470,339,615.40x = 100,752,939,120,391,392
  5. Step 5: Solve for x
    x = 100,752,939,120,391,392/470,339,615.40
  6. Step 6: Final answer
    x = 214,213,168.15

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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.