Home / 323,748,353.20-485,622,529.80-289,736,129.20

Finding the Fourth Proportional to 323,748,353.20, 485,622,529.80 and 289,736,129.20

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Solution

The fourth proportional to 323,748,353.20, 485,622,529.80 and 289,736,129.20 is: 434,604,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,748,353.20 : 485,622,529.80 = 289,736,129.20 : x
  2. Step 2: Convert to fraction form
    323,748,353.20/485,622,529.80 = 289,736,129.20/x
  3. Step 3: Cross multiply
    323,748,353.20x = 485,622,529.80 × 289,736,129.20
  4. Step 4: Simplify right side
    323,748,353.20x = 140,702,392,036,563,648
  5. Step 5: Solve for x
    x = 140,702,392,036,563,648/323,748,353.20
  6. Step 6: Final answer
    x = 434,604,193.80

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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.