Home / 398,615,546,186.52-597,855,879,587.56-111,707,570,423.66

Finding the Fourth Proportional to 398,615,546,186.52, 597,855,879,587.56 and 111,707,570,423.66

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Solution

The fourth proportional to 398,615,546,186.52, 597,855,879,587.56 and 111,707,570,423.66 is: 167,542,456,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,615,546,186.52 : 597,855,879,587.56 = 111,707,570,423.66 : x
  2. Step 2: Convert to fraction form
    398,615,546,186.52/597,855,879,587.56 = 111,707,570,423.66/x
  3. Step 3: Cross multiply
    398,615,546,186.52x = 597,855,879,587.56 × 111,707,570,423.66
  4. Step 4: Simplify right side
    398,615,546,186.52x = 66,785,027,772,226,557,968,384
  5. Step 5: Solve for x
    x = 66,785,027,772,226,557,968,384/398,615,546,186.52
  6. Step 6: Final answer
    x = 167,542,456,412.32

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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.