Home / 529,028,431.67-729,970,989.93-294,047,143.45

Finding the Fourth Proportional to 529,028,431.67, 729,970,989.93 and 294,047,143.45

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Solution

The fourth proportional to 529,028,431.67, 729,970,989.93 and 294,047,143.45 is: 405,736,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,028,431.67 : 729,970,989.93 = 294,047,143.45 : x
  2. Step 2: Convert to fraction form
    529,028,431.67/729,970,989.93 = 294,047,143.45/x
  3. Step 3: Cross multiply
    529,028,431.67x = 729,970,989.93 × 294,047,143.45
  4. Step 4: Simplify right side
    529,028,431.67x = 214,645,884,388,460,256
  5. Step 5: Solve for x
    x = 214,645,884,388,460,256/529,028,431.67
  6. Step 6: Final answer
    x = 405,736,008.76

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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.