Home / 455,675,862.69-628,835,709.83-246,832,005.33

Finding the Fourth Proportional to 455,675,862.69, 628,835,709.83 and 246,832,005.33

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Solution

The fourth proportional to 455,675,862.69, 628,835,709.83 and 246,832,005.33 is: 340,629,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,675,862.69 : 628,835,709.83 = 246,832,005.33 : x
  2. Step 2: Convert to fraction form
    455,675,862.69/628,835,709.83 = 246,832,005.33/x
  3. Step 3: Cross multiply
    455,675,862.69x = 628,835,709.83 × 246,832,005.33
  4. Step 4: Simplify right side
    455,675,862.69x = 155,216,779,279,218,752
  5. Step 5: Solve for x
    x = 155,216,779,279,218,752/455,675,862.69
  6. Step 6: Final answer
    x = 340,629,802.87

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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.