Home / 641,579,716.98-885,380,664.69-348,224,345.46

Finding the Fourth Proportional to 641,579,716.98, 885,380,664.69 and 348,224,345.46

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Solution

The fourth proportional to 641,579,716.98, 885,380,664.69 and 348,224,345.46 is: 480,549,952.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,579,716.98 : 885,380,664.69 = 348,224,345.46 : x
  2. Step 2: Convert to fraction form
    641,579,716.98/885,380,664.69 = 348,224,345.46/x
  3. Step 3: Cross multiply
    641,579,716.98x = 885,380,664.69 × 348,224,345.46
  4. Step 4: Simplify right side
    641,579,716.98x = 308,311,102,444,614,976
  5. Step 5: Solve for x
    x = 308,311,102,444,614,976/641,579,716.98
  6. Step 6: Final answer
    x = 480,549,952.38

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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.