Home / 751,864,811.37-1,128,028,147.97-358,893,089.01

Finding the Fourth Proportional to 751,864,811.37, 1,128,028,147.97 and 358,893,089.01

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Solution

The fourth proportional to 751,864,811.37, 1,128,028,147.97 and 358,893,089.01 is: 538,449,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,864,811.37 : 1,128,028,147.97 = 358,893,089.01 : x
  2. Step 2: Convert to fraction form
    751,864,811.37/1,128,028,147.97 = 358,893,089.01/x
  3. Step 3: Cross multiply
    751,864,811.37x = 1,128,028,147.97 × 358,893,089.01
  4. Step 4: Simplify right side
    751,864,811.37x = 404,841,506,513,388,160
  5. Step 5: Solve for x
    x = 404,841,506,513,388,160/751,864,811.37
  6. Step 6: Final answer
    x = 538,449,865.44

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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.