Home / 356,089,665.40-534,134,498.10-323,778,052.60

Finding the Fourth Proportional to 356,089,665.40, 534,134,498.10 and 323,778,052.60

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Solution

The fourth proportional to 356,089,665.40, 534,134,498.10 and 323,778,052.60 is: 485,667,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,089,665.40 : 534,134,498.10 = 323,778,052.60 : x
  2. Step 2: Convert to fraction form
    356,089,665.40/534,134,498.10 = 323,778,052.60/x
  3. Step 3: Cross multiply
    356,089,665.40x = 534,134,498.10 × 323,778,052.60
  4. Step 4: Simplify right side
    356,089,665.40x = 172,941,027,621,296,416
  5. Step 5: Solve for x
    x = 172,941,027,621,296,416/356,089,665.40
  6. Step 6: Final answer
    x = 485,667,078.90

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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.