Home / 528,408,098.40-792,612,147.60-164,855,215.20

Finding the Fourth Proportional to 528,408,098.40, 792,612,147.60 and 164,855,215.20

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Solution

The fourth proportional to 528,408,098.40, 792,612,147.60 and 164,855,215.20 is: 247,282,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,408,098.40 : 792,612,147.60 = 164,855,215.20 : x
  2. Step 2: Convert to fraction form
    528,408,098.40/792,612,147.60 = 164,855,215.20/x
  3. Step 3: Cross multiply
    528,408,098.40x = 792,612,147.60 × 164,855,215.20
  4. Step 4: Simplify right side
    528,408,098.40x = 130,666,246,162,732,160
  5. Step 5: Solve for x
    x = 130,666,246,162,732,160/528,408,098.40
  6. Step 6: Final answer
    x = 247,282,822.80

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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.