Home / 13,170,599,822.90-18,175,445,201.46-7,149,101,317.58

Finding the Fourth Proportional to 13,170,599,822.90, 18,175,445,201.46 and 7,149,101,317.58

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Solution

The fourth proportional to 13,170,599,822.90, 18,175,445,201.46 and 7,149,101,317.58 is: 9,865,769,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170,599,822.90 : 18,175,445,201.46 = 7,149,101,317.58 : x
  2. Step 2: Convert to fraction form
    13,170,599,822.90/18,175,445,201.46 = 7,149,101,317.58/x
  3. Step 3: Cross multiply
    13,170,599,822.90x = 18,175,445,201.46 × 7,149,101,317.58
  4. Step 4: Simplify right side
    13,170,599,822.90x = 129,938,099,237,360,762,880
  5. Step 5: Solve for x
    x = 129,938,099,237,360,762,880/13,170,599,822.90
  6. Step 6: Final answer
    x = 9,865,769,288.00

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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.