Home / 38,410,529,698.16-53,007,158,536.06-21,029,149,945.32

Finding the Fourth Proportional to 38,410,529,698.16, 53,007,158,536.06 and 21,029,149,945.32

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Solution

The fourth proportional to 38,410,529,698.16, 53,007,158,536.06 and 21,029,149,945.32 is: 29,020,570,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,410,529,698.16 : 53,007,158,536.06 = 21,029,149,945.32 : x
  2. Step 2: Convert to fraction form
    38,410,529,698.16/53,007,158,536.06 = 21,029,149,945.32/x
  3. Step 3: Cross multiply
    38,410,529,698.16x = 53,007,158,536.06 × 21,029,149,945.32
  4. Step 4: Simplify right side
    38,410,529,698.16x = 1,114,695,485,030,154,633,216
  5. Step 5: Solve for x
    x = 1,114,695,485,030,154,633,216/38,410,529,698.16
  6. Step 6: Final answer
    x = 29,020,570,499.54

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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.