Home / 940,879,679.16-1,298,415,033.70-523,182,996.38

Finding the Fourth Proportional to 940,879,679.16, 1,298,415,033.70 and 523,182,996.38

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Solution

The fourth proportional to 940,879,679.16, 1,298,415,033.70 and 523,182,996.38 is: 721,993,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,879,679.16 : 1,298,415,033.70 = 523,182,996.38 : x
  2. Step 2: Convert to fraction form
    940,879,679.16/1,298,415,033.70 = 523,182,996.38/x
  3. Step 3: Cross multiply
    940,879,679.16x = 1,298,415,033.70 × 523,182,996.38
  4. Step 4: Simplify right side
    940,879,679.16x = 679,308,667,876,004,736
  5. Step 5: Solve for x
    x = 679,308,667,876,004,736/940,879,679.16
  6. Step 6: Final answer
    x = 721,993,133.58

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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.