Home / 1,323,869,691.70-1,985,804,537.55-864,704,667.70

Finding the Fourth Proportional to 1,323,869,691.70, 1,985,804,537.55 and 864,704,667.70

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Solution

The fourth proportional to 1,323,869,691.70, 1,985,804,537.55 and 864,704,667.70 is: 1,297,057,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,869,691.70 : 1,985,804,537.55 = 864,704,667.70 : x
  2. Step 2: Convert to fraction form
    1,323,869,691.70/1,985,804,537.55 = 864,704,667.70/x
  3. Step 3: Cross multiply
    1,323,869,691.70x = 1,985,804,537.55 × 864,704,667.70
  4. Step 4: Simplify right side
    1,323,869,691.70x = 1,717,134,452,759,324,928
  5. Step 5: Solve for x
    x = 1,717,134,452,759,324,928/1,323,869,691.70
  6. Step 6: Final answer
    x = 1,297,057,001.55

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Double scale
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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.