Home / 8,513,101,244.70-11,753,607,648.87-7,619,480,447.58

Finding the Fourth Proportional to 8,513,101,244.70, 11,753,607,648.87 and 7,619,480,447.58

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Solution

The fourth proportional to 8,513,101,244.70, 11,753,607,648.87 and 7,619,480,447.58 is: 10,519,830,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,101,244.70 : 11,753,607,648.87 = 7,619,480,447.58 : x
  2. Step 2: Convert to fraction form
    8,513,101,244.70/11,753,607,648.87 = 7,619,480,447.58/x
  3. Step 3: Cross multiply
    8,513,101,244.70x = 11,753,607,648.87 × 7,619,480,447.58
  4. Step 4: Simplify right side
    8,513,101,244.70x = 89,556,383,669,091,696,640
  5. Step 5: Solve for x
    x = 89,556,383,669,091,696,640/8,513,101,244.70
  6. Step 6: Final answer
    x = 10,519,830,681.54

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1.5x scale

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.