Home / 12,778,081,262.67-19,167,512,372.74-4,383,869,146.36

Finding the Fourth Proportional to 12,778,081,262.67, 19,167,512,372.74 and 4,383,869,146.36

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Solution

The fourth proportional to 12,778,081,262.67, 19,167,512,372.74 and 4,383,869,146.36 is: 6,575,937,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,081,262.67 : 19,167,512,372.74 = 4,383,869,146.36 : x
  2. Step 2: Convert to fraction form
    12,778,081,262.67/19,167,512,372.74 = 4,383,869,146.36/x
  3. Step 3: Cross multiply
    12,778,081,262.67x = 19,167,512,372.74 × 4,383,869,146.36
  4. Step 4: Simplify right side
    12,778,081,262.67x = 84,027,866,103,328,440,320
  5. Step 5: Solve for x
    x = 84,027,866,103,328,440,320/12,778,081,262.67
  6. Step 6: Final answer
    x = 6,575,937,683.92

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1.5x scale

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.