Home / 427,410,434,947.05-641,115,652,420.55-148,238,100,355.05

Finding the Fourth Proportional to 427,410,434,947.05, 641,115,652,420.55 and 148,238,100,355.05

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Solution

The fourth proportional to 427,410,434,947.05, 641,115,652,420.55 and 148,238,100,355.05 is: 222,357,150,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,410,434,947.05 : 641,115,652,420.55 = 148,238,100,355.05 : x
  2. Step 2: Convert to fraction form
    427,410,434,947.05/641,115,652,420.55 = 148,238,100,355.05/x
  3. Step 3: Cross multiply
    427,410,434,947.05x = 641,115,652,420.55 × 148,238,100,355.05
  4. Step 4: Simplify right side
    427,410,434,947.05x = 95,037,766,422,710,852,780,032
  5. Step 5: Solve for x
    x = 95,037,766,422,710,852,780,032/427,410,434,947.05
  6. Step 6: Final answer
    x = 222,357,150,532.57

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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.