Home / 440,435,709.18-607,804,440.50-239,491,143.61

Finding the Fourth Proportional to 440,435,709.18, 607,804,440.50 and 239,491,143.61

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Solution

The fourth proportional to 440,435,709.18, 607,804,440.50 and 239,491,143.61 is: 330,499,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,435,709.18 : 607,804,440.50 = 239,491,143.61 : x
  2. Step 2: Convert to fraction form
    440,435,709.18/607,804,440.50 = 239,491,143.61/x
  3. Step 3: Cross multiply
    440,435,709.18x = 607,804,440.50 × 239,491,143.61
  4. Step 4: Simplify right side
    440,435,709.18x = 145,563,780,545,660,416
  5. Step 5: Solve for x
    x = 145,563,780,545,660,416/440,435,709.18
  6. Step 6: Final answer
    x = 330,499,497.46

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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.