Home / 470,588,630.83-649,399,271.81-256,000,160.76

Finding the Fourth Proportional to 470,588,630.83, 649,399,271.81 and 256,000,160.76

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Solution

The fourth proportional to 470,588,630.83, 649,399,271.81 and 256,000,160.76 is: 353,273,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,588,630.83 : 649,399,271.81 = 256,000,160.76 : x
  2. Step 2: Convert to fraction form
    470,588,630.83/649,399,271.81 = 256,000,160.76/x
  3. Step 3: Cross multiply
    470,588,630.83x = 649,399,271.81 × 256,000,160.76
  4. Step 4: Simplify right side
    470,588,630.83x = 166,246,317,982,164,000
  5. Step 5: Solve for x
    x = 166,246,317,982,164,000/470,588,630.83
  6. Step 6: Final answer
    x = 353,273,128.78

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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.