Home / 1,064,645,530.03-1,469,267,239.80-641,392,429.33

Finding the Fourth Proportional to 1,064,645,530.03, 1,469,267,239.80 and 641,392,429.33

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Solution

The fourth proportional to 1,064,645,530.03, 1,469,267,239.80 and 641,392,429.33 is: 885,155,535.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,645,530.03 : 1,469,267,239.80 = 641,392,429.33 : x
  2. Step 2: Convert to fraction form
    1,064,645,530.03/1,469,267,239.80 = 641,392,429.33/x
  3. Step 3: Cross multiply
    1,064,645,530.03x = 1,469,267,239.80 × 641,392,429.33
  4. Step 4: Simplify right side
    1,064,645,530.03x = 942,376,884,270,305,664
  5. Step 5: Solve for x
    x = 942,376,884,270,305,664/1,064,645,530.03
  6. Step 6: Final answer
    x = 885,155,535.52

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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.