Home / 641,522,834.44-885,301,879.86-348,167,402.44

Finding the Fourth Proportional to 641,522,834.44, 885,301,879.86 and 348,167,402.44

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Solution

The fourth proportional to 641,522,834.44, 885,301,879.86 and 348,167,402.44 is: 480,471,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,522,834.44 : 885,301,879.86 = 348,167,402.44 : x
  2. Step 2: Convert to fraction form
    641,522,834.44/885,301,879.86 = 348,167,402.44/x
  3. Step 3: Cross multiply
    641,522,834.44x = 885,301,879.86 × 348,167,402.44
  4. Step 4: Simplify right side
    641,522,834.44x = 308,233,255,886,105,152
  5. Step 5: Solve for x
    x = 308,233,255,886,105,152/641,522,834.44
  6. Step 6: Final answer
    x = 480,471,215.27

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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.