Home / 630,097,800.40-945,146,700.60-170,035,231.60

Finding the Fourth Proportional to 630,097,800.40, 945,146,700.60 and 170,035,231.60

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Solution

The fourth proportional to 630,097,800.40, 945,146,700.60 and 170,035,231.60 is: 255,052,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,097,800.40 : 945,146,700.60 = 170,035,231.60 : x
  2. Step 2: Convert to fraction form
    630,097,800.40/945,146,700.60 = 170,035,231.60/x
  3. Step 3: Cross multiply
    630,097,800.40x = 945,146,700.60 × 170,035,231.60
  4. Step 4: Simplify right side
    630,097,800.40x = 160,708,238,132,496,864
  5. Step 5: Solve for x
    x = 160,708,238,132,496,864/630,097,800.40
  6. Step 6: Final answer
    x = 255,052,847.40

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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.