Home / 13,115,774,069.36-19,673,645,684.88-4,272,598,453.76

Finding the Fourth Proportional to 13,115,774,069.36, 19,673,645,684.88 and 4,272,598,453.76

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Solution

The fourth proportional to 13,115,774,069.36, 19,673,645,684.88 and 4,272,598,453.76 is: 6,408,892,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,774,069.36 : 19,673,645,684.88 = 4,272,598,453.76 : x
  2. Step 2: Convert to fraction form
    13,115,774,069.36/19,673,645,684.88 = 4,272,598,453.76/x
  3. Step 3: Cross multiply
    13,115,774,069.36x = 19,673,645,684.88 × 4,272,598,453.76
  4. Step 4: Simplify right side
    13,115,774,069.36x = 84,057,588,133,040,390,144
  5. Step 5: Solve for x
    x = 84,057,588,133,040,390,144/13,115,774,069.36
  6. Step 6: Final answer
    x = 6,408,892,657.69

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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.