Home / 742,208,634.72-1,024,125,022.26-428,972,017.32

Finding the Fourth Proportional to 742,208,634.72, 1,024,125,022.26 and 428,972,017.32

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Solution

The fourth proportional to 742,208,634.72, 1,024,125,022.26 and 428,972,017.32 is: 591,910,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,208,634.72 : 1,024,125,022.26 = 428,972,017.32 : x
  2. Step 2: Convert to fraction form
    742,208,634.72/1,024,125,022.26 = 428,972,017.32/x
  3. Step 3: Cross multiply
    742,208,634.72x = 1,024,125,022.26 × 428,972,017.32
  4. Step 4: Simplify right side
    742,208,634.72x = 439,320,976,786,762,112
  5. Step 5: Solve for x
    x = 439,320,976,786,762,112/742,208,634.72
  6. Step 6: Final answer
    x = 591,910,355.44

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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.