Home / 528,408,086.40-792,612,129.60-164,855,203.20

Finding the Fourth Proportional to 528,408,086.40, 792,612,129.60 and 164,855,203.20

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Solution

The fourth proportional to 528,408,086.40, 792,612,129.60 and 164,855,203.20 is: 247,282,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,408,086.40 : 792,612,129.60 = 164,855,203.20 : x
  2. Step 2: Convert to fraction form
    528,408,086.40/792,612,129.60 = 164,855,203.20/x
  3. Step 3: Cross multiply
    528,408,086.40x = 792,612,129.60 × 164,855,203.20
  4. Step 4: Simplify right side
    528,408,086.40x = 130,666,233,683,992,736
  5. Step 5: Solve for x
    x = 130,666,233,683,992,736/528,408,086.40
  6. Step 6: Final answer
    x = 247,282,804.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.