Home / 1,881,128,976.96-2,593,548,163.76-1,540,783,640.10

Finding the Fourth Proportional to 1,881,128,976.96, 2,593,548,163.76 and 1,540,783,640.10

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Solution

The fourth proportional to 1,881,128,976.96, 2,593,548,163.76 and 1,540,783,640.10 is: 2,124,307,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,128,976.96 : 2,593,548,163.76 = 1,540,783,640.10 : x
  2. Step 2: Convert to fraction form
    1,881,128,976.96/2,593,548,163.76 = 1,540,783,640.10/x
  3. Step 3: Cross multiply
    1,881,128,976.96x = 2,593,548,163.76 × 1,540,783,640.10
  4. Step 4: Simplify right side
    1,881,128,976.96x = 3,996,096,580,532,803,584
  5. Step 5: Solve for x
    x = 3,996,096,580,532,803,584/1,881,128,976.96
  6. Step 6: Final answer
    x = 2,124,307,599.04

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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.