Home / 1,370,273,182.92-1,890,652,856.93-775,557,667.23

Finding the Fourth Proportional to 1,370,273,182.92, 1,890,652,856.93 and 775,557,667.23

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Solution

The fourth proportional to 1,370,273,182.92, 1,890,652,856.93 and 775,557,667.23 is: 1,070,086,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,273,182.92 : 1,890,652,856.93 = 775,557,667.23 : x
  2. Step 2: Convert to fraction form
    1,370,273,182.92/1,890,652,856.93 = 775,557,667.23/x
  3. Step 3: Cross multiply
    1,370,273,182.92x = 1,890,652,856.93 × 775,557,667.23
  4. Step 4: Simplify right side
    1,370,273,182.92x = 1,466,310,319,258,488,064
  5. Step 5: Solve for x
    x = 1,466,310,319,258,488,064/1,370,273,182.92
  6. Step 6: Final answer
    x = 1,070,086,124.09

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Double scale
Find fourth proportional to 1,370,273,183.92, 1,890,652,858.30 and 775,557,668.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.