Home / 526,550,014.20-789,825,021.30-396,453,257.40

Finding the Fourth Proportional to 526,550,014.20, 789,825,021.30 and 396,453,257.40

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Solution

The fourth proportional to 526,550,014.20, 789,825,021.30 and 396,453,257.40 is: 594,679,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,550,014.20 : 789,825,021.30 = 396,453,257.40 : x
  2. Step 2: Convert to fraction form
    526,550,014.20/789,825,021.30 = 396,453,257.40/x
  3. Step 3: Cross multiply
    526,550,014.20x = 789,825,021.30 × 396,453,257.40
  4. Step 4: Simplify right side
    526,550,014.20x = 313,128,702,470,409,344
  5. Step 5: Solve for x
    x = 313,128,702,470,409,344/526,550,014.20
  6. Step 6: Final answer
    x = 594,679,886.10

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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.