Home / 751,257,406.91-1,126,886,145.41-514,673,637.20

Finding the Fourth Proportional to 751,257,406.91, 1,126,886,145.41 and 514,673,637.20

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Solution

The fourth proportional to 751,257,406.91, 1,126,886,145.41 and 514,673,637.20 is: 772,010,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,257,406.91 : 1,126,886,145.41 = 514,673,637.20 : x
  2. Step 2: Convert to fraction form
    751,257,406.91/1,126,886,145.41 = 514,673,637.20/x
  3. Step 3: Cross multiply
    751,257,406.91x = 1,126,886,145.41 × 514,673,637.20
  4. Step 4: Simplify right side
    751,257,406.91x = 579,978,591,160,244,992
  5. Step 5: Solve for x
    x = 579,978,591,160,244,992/751,257,406.91
  6. Step 6: Final answer
    x = 772,010,479.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.