Home / 742,973,383.73-1,025,242,325.30-437,397,914.27

Finding the Fourth Proportional to 742,973,383.73, 1,025,242,325.30 and 437,397,914.27

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Solution

The fourth proportional to 742,973,383.73, 1,025,242,325.30 and 437,397,914.27 is: 603,573,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,973,383.73 : 1,025,242,325.30 = 437,397,914.27 : x
  2. Step 2: Convert to fraction form
    742,973,383.73/1,025,242,325.30 = 437,397,914.27/x
  3. Step 3: Cross multiply
    742,973,383.73x = 1,025,242,325.30 × 437,397,914.27
  4. Step 4: Simplify right side
    742,973,383.73x = 448,438,854,700,231,616
  5. Step 5: Solve for x
    x = 448,438,854,700,231,616/742,973,383.73
  6. Step 6: Final answer
    x = 603,573,243.03

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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.