Home / 764,097,408.72-1,054,448,085.41-429,571,422.31

Finding the Fourth Proportional to 764,097,408.72, 1,054,448,085.41 and 429,571,422.31

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Solution

The fourth proportional to 764,097,408.72, 1,054,448,085.41 and 429,571,422.31 is: 592,804,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,097,408.72 : 1,054,448,085.41 = 429,571,422.31 : x
  2. Step 2: Convert to fraction form
    764,097,408.72/1,054,448,085.41 = 429,571,422.31/x
  3. Step 3: Cross multiply
    764,097,408.72x = 1,054,448,085.41 × 429,571,422.31
  4. Step 4: Simplify right side
    764,097,408.72x = 452,960,763,800,450,240
  5. Step 5: Solve for x
    x = 452,960,763,800,450,240/764,097,408.72
  6. Step 6: Final answer
    x = 592,804,999.25

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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.