Home / 636,974,099.10-878,571,453.96-425,174,143.50

Finding the Fourth Proportional to 636,974,099.10, 878,571,453.96 and 425,174,143.50

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Solution

The fourth proportional to 636,974,099.10, 878,571,453.96 and 425,174,143.50 is: 586,438,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,974,099.10 : 878,571,453.96 = 425,174,143.50 : x
  2. Step 2: Convert to fraction form
    636,974,099.10/878,571,453.96 = 425,174,143.50/x
  3. Step 3: Cross multiply
    636,974,099.10x = 878,571,453.96 × 425,174,143.50
  4. Step 4: Simplify right side
    636,974,099.10x = 373,545,865,440,992,704
  5. Step 5: Solve for x
    x = 373,545,865,440,992,704/636,974,099.10
  6. Step 6: Final answer
    x = 586,438,076.48

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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.