Home / 641,522,834.46-885,301,879.86-348,167,402.46

Finding the Fourth Proportional to 641,522,834.46, 885,301,879.86 and 348,167,402.46

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Solution

The fourth proportional to 641,522,834.46, 885,301,879.86 and 348,167,402.46 is: 480,471,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,522,834.46 : 885,301,879.86 = 348,167,402.46 : x
  2. Step 2: Convert to fraction form
    641,522,834.46/885,301,879.86 = 348,167,402.46/x
  3. Step 3: Cross multiply
    641,522,834.46x = 885,301,879.86 × 348,167,402.46
  4. Step 4: Simplify right side
    641,522,834.46x = 308,233,255,903,811,200
  5. Step 5: Solve for x
    x = 308,233,255,903,811,200/641,522,834.46
  6. Step 6: Final answer
    x = 480,471,215.28

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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.