Home / 279,907,701.54-386,349,457.28-162,470,866.26

Finding the Fourth Proportional to 279,907,701.54, 386,349,457.28 and 162,470,866.26

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Solution

The fourth proportional to 279,907,701.54, 386,349,457.28 and 162,470,866.26 is: 224,254,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,907,701.54 : 386,349,457.28 = 162,470,866.26 : x
  2. Step 2: Convert to fraction form
    279,907,701.54/386,349,457.28 = 162,470,866.26/x
  3. Step 3: Cross multiply
    279,907,701.54x = 386,349,457.28 × 162,470,866.26
  4. Step 4: Simplify right side
    279,907,701.54x = 62,770,531,003,362,456
  5. Step 5: Solve for x
    x = 62,770,531,003,362,456/279,907,701.54
  6. Step 6: Final answer
    x = 224,254,390.49

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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.