Home / 7,269,798,015.92-10,032,320,828.76-3,928,296,190.16

Finding the Fourth Proportional to 7,269,798,015.92, 10,032,320,828.76 and 3,928,296,190.16

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Solution

The fourth proportional to 7,269,798,015.92, 10,032,320,828.76 and 3,928,296,190.16 is: 5,421,048,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269,798,015.92 : 10,032,320,828.76 = 3,928,296,190.16 : x
  2. Step 2: Convert to fraction form
    7,269,798,015.92/10,032,320,828.76 = 3,928,296,190.16/x
  3. Step 3: Cross multiply
    7,269,798,015.92x = 10,032,320,828.76 × 3,928,296,190.16
  4. Step 4: Simplify right side
    7,269,798,015.92x = 39,409,927,690,080,722,944
  5. Step 5: Solve for x
    x = 39,409,927,690,080,722,944/7,269,798,015.92
  6. Step 6: Final answer
    x = 5,421,048,508.33

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Double scale
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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.