Home / 386,171,772.32-579,244,837.80-167,822,323.72

Finding the Fourth Proportional to 386,171,772.32, 579,244,837.80 and 167,822,323.72

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Solution

The fourth proportional to 386,171,772.32, 579,244,837.80 and 167,822,323.72 is: 251,727,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,171,772.32 : 579,244,837.80 = 167,822,323.72 : x
  2. Step 2: Convert to fraction form
    386,171,772.32/579,244,837.80 = 167,822,323.72/x
  3. Step 3: Cross multiply
    386,171,772.32x = 579,244,837.80 × 167,822,323.72
  4. Step 4: Simplify right side
    386,171,772.32x = 97,210,214,682,410,480
  5. Step 5: Solve for x
    x = 97,210,214,682,410,480/386,171,772.32
  6. Step 6: Final answer
    x = 251,727,913.98

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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.