Home / 940,617,014.64-1,298,134,190.91-517,305,271.02

Finding the Fourth Proportional to 940,617,014.64, 1,298,134,190.91 and 517,305,271.02

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Solution

The fourth proportional to 940,617,014.64, 1,298,134,190.91 and 517,305,271.02 is: 713,926,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,617,014.64 : 1,298,134,190.91 = 517,305,271.02 : x
  2. Step 2: Convert to fraction form
    940,617,014.64/1,298,134,190.91 = 517,305,271.02/x
  3. Step 3: Cross multiply
    940,617,014.64x = 1,298,134,190.91 × 517,305,271.02
  4. Step 4: Simplify right side
    940,617,014.64x = 671,531,659,449,026,048
  5. Step 5: Solve for x
    x = 671,531,659,449,026,048/940,617,014.64
  6. Step 6: Final answer
    x = 713,926,761.90

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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.