Home / 356,089,660.90-534,134,491.35-323,778,048.10

Finding the Fourth Proportional to 356,089,660.90, 534,134,491.35 and 323,778,048.10

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Solution

The fourth proportional to 356,089,660.90, 534,134,491.35 and 323,778,048.10 is: 485,667,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,089,660.90 : 534,134,491.35 = 323,778,048.10 : x
  2. Step 2: Convert to fraction form
    356,089,660.90/534,134,491.35 = 323,778,048.10/x
  3. Step 3: Cross multiply
    356,089,660.90x = 534,134,491.35 × 323,778,048.10
  4. Step 4: Simplify right side
    356,089,660.90x = 172,941,023,032,189,344
  5. Step 5: Solve for x
    x = 172,941,023,032,189,344/356,089,660.90
  6. Step 6: Final answer
    x = 485,667,072.15

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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.