Home / 2,177,567,581,138.40-3,005,027,974,966.20-1,188,776,695,629.60

Finding the Fourth Proportional to 2,177,567,581,138.40, 3,005,027,974,966.20 and 1,188,776,695,629.60

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Solution

The fourth proportional to 2,177,567,581,138.40, 3,005,027,974,966.20 and 1,188,776,695,629.60 is: 1,640,503,494,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,567,581,138.40 : 3,005,027,974,966.20 = 1,188,776,695,629.60 : x
  2. Step 2: Convert to fraction form
    2,177,567,581,138.40/3,005,027,974,966.20 = 1,188,776,695,629.60/x
  3. Step 3: Cross multiply
    2,177,567,581,138.40x = 3,005,027,974,966.20 × 1,188,776,695,629.60
  4. Step 4: Simplify right side
    2,177,567,581,138.40x = 3,572,307,226,354,828,108,103,680
  5. Step 5: Solve for x
    x = 3,572,307,226,354,828,108,103,680/2,177,567,581,138.40
  6. Step 6: Final answer
    x = 1,640,503,494,494.20

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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.