Home / 440,843,904.70-660,510,029.85-287,410,983.10

Finding the Fourth Proportional to 440,843,904.70, 660,510,029.85 and 287,410,983.10

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Solution

The fourth proportional to 440,843,904.70, 660,510,029.85 and 287,410,983.10 is: 430,623,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,843,904.70 : 660,510,029.85 = 287,410,983.10 : x
  2. Step 2: Convert to fraction form
    440,843,904.70/660,510,029.85 = 287,410,983.10/x
  3. Step 3: Cross multiply
    440,843,904.70x = 660,510,029.85 × 287,410,983.10
  4. Step 4: Simplify right side
    440,843,904.70x = 189,837,837,026,598,880
  5. Step 5: Solve for x
    x = 189,837,837,026,598,880/440,843,904.70
  6. Step 6: Final answer
    x = 430,623,708.31

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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.