Home / 2,669,819,901.63-4,004,340,029.52-778,507,845.68

Finding the Fourth Proportional to 2,669,819,901.63, 4,004,340,029.52 and 778,507,845.68

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Solution

The fourth proportional to 2,669,819,901.63, 4,004,340,029.52 and 778,507,845.68 is: 1,167,648,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,819,901.63 : 4,004,340,029.52 = 778,507,845.68 : x
  2. Step 2: Convert to fraction form
    2,669,819,901.63/4,004,340,029.52 = 778,507,845.68/x
  3. Step 3: Cross multiply
    2,669,819,901.63x = 4,004,340,029.52 × 778,507,845.68
  4. Step 4: Simplify right side
    2,669,819,901.63x = 3,117,410,129,731,781,120
  5. Step 5: Solve for x
    x = 3,117,410,129,731,781,120/2,669,819,901.63
  6. Step 6: Final answer
    x = 1,167,648,097.85

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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.