Home / 2,125,164,345.36-2,933,667,196.32-1,372,844,342.40

Finding the Fourth Proportional to 2,125,164,345.36, 2,933,667,196.32 and 1,372,844,342.40

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Solution

The fourth proportional to 2,125,164,345.36, 2,933,667,196.32 and 1,372,844,342.40 is: 1,895,132,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,164,345.36 : 2,933,667,196.32 = 1,372,844,342.40 : x
  2. Step 2: Convert to fraction form
    2,125,164,345.36/2,933,667,196.32 = 1,372,844,342.40/x
  3. Step 3: Cross multiply
    2,125,164,345.36x = 2,933,667,196.32 × 1,372,844,342.40
  4. Step 4: Simplify right side
    2,125,164,345.36x = 4,027,468,412,952,382,464
  5. Step 5: Solve for x
    x = 4,027,468,412,952,382,464/2,125,164,345.36
  6. Step 6: Final answer
    x = 1,895,132,685.50

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Double scale
Find fourth proportional to 2,125,164,346.36, 2,933,667,197.70 and 1,372,844,343.40
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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.