Home / 641,398,764.06-885,132,722.07-348,043,332.06

Finding the Fourth Proportional to 641,398,764.06, 885,132,722.07 and 348,043,332.06

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Solution

The fourth proportional to 641,398,764.06, 885,132,722.07 and 348,043,332.06 is: 480,301,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,398,764.06 : 885,132,722.07 = 348,043,332.06 : x
  2. Step 2: Convert to fraction form
    641,398,764.06/885,132,722.07 = 348,043,332.06/x
  3. Step 3: Cross multiply
    641,398,764.06x = 885,132,722.07 × 348,043,332.06
  4. Step 4: Simplify right side
    641,398,764.06x = 308,064,541,904,580,736
  5. Step 5: Solve for x
    x = 308,064,541,904,580,736/641,398,764.06
  6. Step 6: Final answer
    x = 480,301,115.57

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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.