Home / 43,130,113,012.80-64,698,422,393.88-12,874,863,013.20

Finding the Fourth Proportional to 43,130,113,012.80, 64,698,422,393.88 and 12,874,863,013.20

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Solution

The fourth proportional to 43,130,113,012.80, 64,698,422,393.88 and 12,874,863,013.20 is: 19,313,265,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,130,113,012.80 : 64,698,422,393.88 = 12,874,863,013.20 : x
  2. Step 2: Convert to fraction form
    43,130,113,012.80/64,698,422,393.88 = 12,874,863,013.20/x
  3. Step 3: Cross multiply
    43,130,113,012.80x = 64,698,422,393.88 × 12,874,863,013.20
  4. Step 4: Simplify right side
    43,130,113,012.80x = 832,983,325,491,356,237,824
  5. Step 5: Solve for x
    x = 832,983,325,491,356,237,824/43,130,113,012.80
  6. Step 6: Final answer
    x = 19,313,265,542.43

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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.