Home / 458,199,705.61-632,448,835.77-299,453,709.28

Finding the Fourth Proportional to 458,199,705.61, 632,448,835.77 and 299,453,709.28

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Solution

The fourth proportional to 458,199,705.61, 632,448,835.77 and 299,453,709.28 is: 413,333,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,199,705.61 : 632,448,835.77 = 299,453,709.28 : x
  2. Step 2: Convert to fraction form
    458,199,705.61/632,448,835.77 = 299,453,709.28/x
  3. Step 3: Cross multiply
    458,199,705.61x = 632,448,835.77 × 299,453,709.28
  4. Step 4: Simplify right side
    458,199,705.61x = 189,389,149,801,144,032
  5. Step 5: Solve for x
    x = 189,389,149,801,144,032/458,199,705.61
  6. Step 6: Final answer
    x = 413,333,198.35

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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.