Home / 512,161,665.58-768,243,052.55-239,723,751.34

Finding the Fourth Proportional to 512,161,665.58, 768,243,052.55 and 239,723,751.34

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Solution

The fourth proportional to 512,161,665.58, 768,243,052.55 and 239,723,751.34 is: 359,585,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,161,665.58 : 768,243,052.55 = 239,723,751.34 : x
  2. Step 2: Convert to fraction form
    512,161,665.58/768,243,052.55 = 239,723,751.34/x
  3. Step 3: Cross multiply
    512,161,665.58x = 768,243,052.55 × 239,723,751.34
  4. Step 4: Simplify right side
    512,161,665.58x = 184,166,106,498,178,752
  5. Step 5: Solve for x
    x = 184,166,106,498,178,752/512,161,665.58
  6. Step 6: Final answer
    x = 359,585,886.40

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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.