Home / 528,408,049.40-792,612,074.10-164,855,166.20

Finding the Fourth Proportional to 528,408,049.40, 792,612,074.10 and 164,855,166.20

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Solution

The fourth proportional to 528,408,049.40, 792,612,074.10 and 164,855,166.20 is: 247,282,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,408,049.40 : 792,612,074.10 = 164,855,166.20 : x
  2. Step 2: Convert to fraction form
    528,408,049.40/792,612,074.10 = 164,855,166.20/x
  3. Step 3: Cross multiply
    528,408,049.40x = 792,612,074.10 × 164,855,166.20
  4. Step 4: Simplify right side
    528,408,049.40x = 130,666,195,207,882,208
  5. Step 5: Solve for x
    x = 130,666,195,207,882,208/528,408,049.40
  6. Step 6: Final answer
    x = 247,282,749.30

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1.5x scale

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.