Home / 940,397,767.56-1,297,749,749.58-517,018,632.66

Finding the Fourth Proportional to 940,397,767.56, 1,297,749,749.58 and 517,018,632.66

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Solution

The fourth proportional to 940,397,767.56, 1,297,749,749.58 and 517,018,632.66 is: 713,486,169.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,397,767.56 : 1,297,749,749.58 = 517,018,632.66 : x
  2. Step 2: Convert to fraction form
    940,397,767.56/1,297,749,749.58 = 517,018,632.66/x
  3. Step 3: Cross multiply
    940,397,767.56x = 1,297,749,749.58 × 517,018,632.66
  4. Step 4: Simplify right side
    940,397,767.56x = 670,960,801,062,708,992
  5. Step 5: Solve for x
    x = 670,960,801,062,708,992/940,397,767.56
  6. Step 6: Final answer
    x = 713,486,169.59

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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.