Home / 243,434,728,459.58-335,940,320,475.74-135,047,828,533.54

Finding the Fourth Proportional to 243,434,728,459.58, 335,940,320,475.74 and 135,047,828,533.54

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Solution

The fourth proportional to 243,434,728,459.58, 335,940,320,475.74 and 135,047,828,533.54 is: 186,366,222,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,434,728,459.58 : 335,940,320,475.74 = 135,047,828,533.54 : x
  2. Step 2: Convert to fraction form
    243,434,728,459.58/335,940,320,475.74 = 135,047,828,533.54/x
  3. Step 3: Cross multiply
    243,434,728,459.58x = 335,940,320,475.74 × 135,047,828,533.54
  4. Step 4: Simplify right side
    243,434,728,459.58x = 45,368,010,797,110,209,282,048
  5. Step 5: Solve for x
    x = 45,368,010,797,110,209,282,048/243,434,728,459.58
  6. Step 6: Final answer
    x = 186,366,222,618.25

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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.