Home / 323,748,221.70-485,622,332.55-289,735,997.70

Finding the Fourth Proportional to 323,748,221.70, 485,622,332.55 and 289,735,997.70

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Solution

The fourth proportional to 323,748,221.70, 485,622,332.55 and 289,735,997.70 is: 434,603,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,748,221.70 : 485,622,332.55 = 289,735,997.70 : x
  2. Step 2: Convert to fraction form
    323,748,221.70/485,622,332.55 = 289,735,997.70/x
  3. Step 3: Cross multiply
    323,748,221.70x = 485,622,332.55 × 289,735,997.70
  4. Step 4: Simplify right side
    323,748,221.70x = 140,702,271,026,775,440
  5. Step 5: Solve for x
    x = 140,702,271,026,775,440/323,748,221.70
  6. Step 6: Final answer
    x = 434,603,996.55

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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.