Home / 351,017,856.80-526,526,785.20-264,286,685.60

Finding the Fourth Proportional to 351,017,856.80, 526,526,785.20 and 264,286,685.60

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Solution

The fourth proportional to 351,017,856.80, 526,526,785.20 and 264,286,685.60 is: 396,430,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,017,856.80 : 526,526,785.20 = 264,286,685.60 : x
  2. Step 2: Convert to fraction form
    351,017,856.80/526,526,785.20 = 264,286,685.60/x
  3. Step 3: Cross multiply
    351,017,856.80x = 526,526,785.20 × 264,286,685.60
  4. Step 4: Simplify right side
    351,017,856.80x = 139,154,018,940,131,120
  5. Step 5: Solve for x
    x = 139,154,018,940,131,120/351,017,856.80
  6. Step 6: Final answer
    x = 396,430,028.40

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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.