Home / 1,293,569,469,749.90-1,785,006,070,893.90-715,493,546,714.54

Finding the Fourth Proportional to 1,293,569,469,749.90, 1,785,006,070,893.90 and 715,493,546,714.54

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Solution

The fourth proportional to 1,293,569,469,749.90, 1,785,006,070,893.90 and 715,493,546,714.54 is: 987,314,832,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,569,469,749.90 : 1,785,006,070,893.90 = 715,493,546,714.54 : x
  2. Step 2: Convert to fraction form
    1,293,569,469,749.90/1,785,006,070,893.90 = 715,493,546,714.54/x
  3. Step 3: Cross multiply
    1,293,569,469,749.90x = 1,785,006,070,893.90 × 715,493,546,714.54
  4. Step 4: Simplify right side
    1,293,569,469,749.90x = 1,277,160,324,570,862,124,531,712
  5. Step 5: Solve for x
    x = 1,277,160,324,570,862,124,531,712/1,293,569,469,749.90
  6. Step 6: Final answer
    x = 987,314,832,668.24

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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.