Home / 528,408,049.30-792,612,073.95-446,778,711.70

Finding the Fourth Proportional to 528,408,049.30, 792,612,073.95 and 446,778,711.70

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Solution

The fourth proportional to 528,408,049.30, 792,612,073.95 and 446,778,711.70 is: 670,168,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,408,049.30 : 792,612,073.95 = 446,778,711.70 : x
  2. Step 2: Convert to fraction form
    528,408,049.30/792,612,073.95 = 446,778,711.70/x
  3. Step 3: Cross multiply
    528,408,049.30x = 792,612,073.95 × 446,778,711.70
  4. Step 4: Simplify right side
    528,408,049.30x = 354,122,201,277,246,144
  5. Step 5: Solve for x
    x = 354,122,201,277,246,144/528,408,049.30
  6. Step 6: Final answer
    x = 670,168,067.55

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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.