Home / 13,135,405,097.36-19,705,642,619.58-4,289,865,930.72

Finding the Fourth Proportional to 13,135,405,097.36, 19,705,642,619.58 and 4,289,865,930.72

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Solution

The fourth proportional to 13,135,405,097.36, 19,705,642,619.58 and 4,289,865,930.72 is: 6,435,626,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135,405,097.36 : 19,705,642,619.58 = 4,289,865,930.72 : x
  2. Step 2: Convert to fraction form
    13,135,405,097.36/19,705,642,619.58 = 4,289,865,930.72/x
  3. Step 3: Cross multiply
    13,135,405,097.36x = 19,705,642,619.58 × 4,289,865,930.72
  4. Step 4: Simplify right side
    13,135,405,097.36x = 84,534,564,916,680,261,632
  5. Step 5: Solve for x
    x = 84,534,564,916,680,261,632/13,135,405,097.36
  6. Step 6: Final answer
    x = 6,435,626,788.07

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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.