Home / 305,559,896.80-457,667,998.80-265,249,112.80

Finding the Fourth Proportional to 305,559,896.80, 457,667,998.80 and 265,249,112.80

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Solution

The fourth proportional to 305,559,896.80, 457,667,998.80 and 265,249,112.80 is: 397,290,455.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,559,896.80 : 457,667,998.80 = 265,249,112.80 : x
  2. Step 2: Convert to fraction form
    305,559,896.80/457,667,998.80 = 265,249,112.80/x
  3. Step 3: Cross multiply
    305,559,896.80x = 457,667,998.80 × 265,249,112.80
  4. Step 4: Simplify right side
    305,559,896.80x = 121,396,030,638,651,472
  5. Step 5: Solve for x
    x = 121,396,030,638,651,472/305,559,896.80
  6. Step 6: Final answer
    x = 397,290,455.68

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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.