Home / 931,042,051.72-1,394,982,696.30-561,801,175

Finding the Fourth Proportional to 931,042,051.72, 1,394,982,696.30 and 561,801,175

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Solution

The fourth proportional to 931,042,051.72, 1,394,982,696.30 and 561,801,175 is: 841,748,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,042,051.72 : 1,394,982,696.30 = 561,801,175 : x
  2. Step 2: Convert to fraction form
    931,042,051.72/1,394,982,696.30 = 561,801,175/x
  3. Step 3: Cross multiply
    931,042,051.72x = 1,394,982,696.30 × 561,801,175
  4. Step 4: Simplify right side
    931,042,051.72x = 783,702,917,886,008,064
  5. Step 5: Solve for x
    x = 783,702,917,886,008,064/931,042,051.72
  6. Step 6: Final answer
    x = 841,748,142.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.