Home / 439,561,408.40-659,342,112.60-112,036,288.40

Finding the Fourth Proportional to 439,561,408.40, 659,342,112.60 and 112,036,288.40

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Solution

The fourth proportional to 439,561,408.40, 659,342,112.60 and 112,036,288.40 is: 168,054,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,561,408.40 : 659,342,112.60 = 112,036,288.40 : x
  2. Step 2: Convert to fraction form
    439,561,408.40/659,342,112.60 = 112,036,288.40/x
  3. Step 3: Cross multiply
    439,561,408.40x = 659,342,112.60 × 112,036,288.40
  4. Step 4: Simplify right side
    439,561,408.40x = 73,870,243,081,518,880
  5. Step 5: Solve for x
    x = 73,870,243,081,518,880/439,561,408.40
  6. Step 6: Final answer
    x = 168,054,432.60

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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.