Home / 745,085,446.10-1,028,171,586.78-410,539,246.98

Finding the Fourth Proportional to 745,085,446.10, 1,028,171,586.78 and 410,539,246.98

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Solution

The fourth proportional to 745,085,446.10, 1,028,171,586.78 and 410,539,246.98 is: 566,518,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,085,446.10 : 1,028,171,586.78 = 410,539,246.98 : x
  2. Step 2: Convert to fraction form
    745,085,446.10/1,028,171,586.78 = 410,539,246.98/x
  3. Step 3: Cross multiply
    745,085,446.10x = 1,028,171,586.78 × 410,539,246.98
  4. Step 4: Simplify right side
    745,085,446.10x = 422,104,789,002,892,928
  5. Step 5: Solve for x
    x = 422,104,789,002,892,928/745,085,446.10
  6. Step 6: Final answer
    x = 566,518,633.82

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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.