Home / 465,153,009.90-641,882,230.83-256,297,464.78

Finding the Fourth Proportional to 465,153,009.90, 641,882,230.83 and 256,297,464.78

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Solution

The fourth proportional to 465,153,009.90, 641,882,230.83 and 256,297,464.78 is: 353,674,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,153,009.90 : 641,882,230.83 = 256,297,464.78 : x
  2. Step 2: Convert to fraction form
    465,153,009.90/641,882,230.83 = 256,297,464.78/x
  3. Step 3: Cross multiply
    465,153,009.90x = 641,882,230.83 × 256,297,464.78
  4. Step 4: Simplify right side
    465,153,009.90x = 164,512,788,449,059,776
  5. Step 5: Solve for x
    x = 164,512,788,449,059,776/465,153,009.90
  6. Step 6: Final answer
    x = 353,674,565.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.