Home / 7,224,831,004.35-10,837,660,652.97-1,912,805,128.58

Finding the Fourth Proportional to 7,224,831,004.35, 10,837,660,652.97 and 1,912,805,128.58

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Solution

The fourth proportional to 7,224,831,004.35, 10,837,660,652.97 and 1,912,805,128.58 is: 2,869,317,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224,831,004.35 : 10,837,660,652.97 = 1,912,805,128.58 : x
  2. Step 2: Convert to fraction form
    7,224,831,004.35/10,837,660,652.97 = 1,912,805,128.58/x
  3. Step 3: Cross multiply
    7,224,831,004.35x = 10,837,660,652.97 × 1,912,805,128.58
  4. Step 4: Simplify right side
    7,224,831,004.35x = 20,730,332,878,810,619,904
  5. Step 5: Solve for x
    x = 20,730,332,878,810,619,904/7,224,831,004.35
  6. Step 6: Final answer
    x = 2,869,317,339.93

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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.