Home / 861,064,976,288.25-1,188,270,144,031.40-465,102,022,835.53

Finding the Fourth Proportional to 861,064,976,288.25, 1,188,270,144,031.40 and 465,102,022,835.53

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Solution

The fourth proportional to 861,064,976,288.25, 1,188,270,144,031.40 and 465,102,022,835.53 is: 641,841,049,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,064,976,288.25 : 1,188,270,144,031.40 = 465,102,022,835.53 : x
  2. Step 2: Convert to fraction form
    861,064,976,288.25/1,188,270,144,031.40 = 465,102,022,835.53/x
  3. Step 3: Cross multiply
    861,064,976,288.25x = 1,188,270,144,031.40 × 465,102,022,835.53
  4. Step 4: Simplify right side
    861,064,976,288.25x = 552,666,847,664,070,732,021,760
  5. Step 5: Solve for x
    x = 552,666,847,664,070,732,021,760/861,064,976,288.25
  6. Step 6: Final answer
    x = 641,841,049,030.27

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Double scale
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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.