Home / 312,667,705,121.60-469,001,557,682.40-312,667,705,121.60

Finding the Fourth Proportional to 312,667,705,121.60, 469,001,557,682.40 and 312,667,705,121.60

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Solution

The fourth proportional to 312,667,705,121.60, 469,001,557,682.40 and 312,667,705,121.60 is: 469,001,557,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,667,705,121.60 : 469,001,557,682.40 = 312,667,705,121.60 : x
  2. Step 2: Convert to fraction form
    312,667,705,121.60/469,001,557,682.40 = 312,667,705,121.60/x
  3. Step 3: Cross multiply
    312,667,705,121.60x = 469,001,557,682.40 × 312,667,705,121.60
  4. Step 4: Simplify right side
    312,667,705,121.60x = 146,641,640,739,011,704,127,488
  5. Step 5: Solve for x
    x = 146,641,640,739,011,704,127,488/312,667,705,121.60
  6. Step 6: Final answer
    x = 469,001,557,682.40

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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.