Home / 1,780,488,603.15-2,667,361,845.75-1,188,493,803.98

Finding the Fourth Proportional to 1,780,488,603.15, 2,667,361,845.75 and 1,188,493,803.98

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Solution

The fourth proportional to 1,780,488,603.15, 2,667,361,845.75 and 1,188,493,803.98 is: 1,780,490,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,488,603.15 : 2,667,361,845.75 = 1,188,493,803.98 : x
  2. Step 2: Convert to fraction form
    1,780,488,603.15/2,667,361,845.75 = 1,188,493,803.98/x
  3. Step 3: Cross multiply
    1,780,488,603.15x = 2,667,361,845.75 × 1,188,493,803.98
  4. Step 4: Simplify right side
    1,780,488,603.15x = 3,170,143,026,646,531,584
  5. Step 5: Solve for x
    x = 3,170,143,026,646,531,584/1,780,488,603.15
  6. Step 6: Final answer
    x = 1,780,490,490.67

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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.