Home / 13,668,308,188.12-18,862,126,331.48-7,564,672,656.64

Finding the Fourth Proportional to 13,668,308,188.12, 18,862,126,331.48 and 7,564,672,656.64

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Solution

The fourth proportional to 13,668,308,188.12, 18,862,126,331.48 and 7,564,672,656.64 is: 10,439,171,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668,308,188.12 : 18,862,126,331.48 = 7,564,672,656.64 : x
  2. Step 2: Convert to fraction form
    13,668,308,188.12/18,862,126,331.48 = 7,564,672,656.64/x
  3. Step 3: Cross multiply
    13,668,308,188.12x = 18,862,126,331.48 × 7,564,672,656.64
  4. Step 4: Simplify right side
    13,668,308,188.12x = 142,685,811,305,836,118,016
  5. Step 5: Solve for x
    x = 142,685,811,305,836,118,016/13,668,308,188.12
  6. Step 6: Final answer
    x = 10,439,171,354.79

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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.