Home / 470,283,786.52-648,035,340.33-363,790,513.59

Finding the Fourth Proportional to 470,283,786.52, 648,035,340.33 and 363,790,513.59

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Solution

The fourth proportional to 470,283,786.52, 648,035,340.33 and 363,790,513.59 is: 501,291,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,283,786.52 : 648,035,340.33 = 363,790,513.59 : x
  2. Step 2: Convert to fraction form
    470,283,786.52/648,035,340.33 = 363,790,513.59/x
  3. Step 3: Cross multiply
    470,283,786.52x = 648,035,340.33 × 363,790,513.59
  4. Step 4: Simplify right side
    470,283,786.52x = 235,749,109,283,121,152
  5. Step 5: Solve for x
    x = 235,749,109,283,121,152/470,283,786.52
  6. Step 6: Final answer
    x = 501,291,169.38

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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.