Home / 312,685,524-468,723,281.46-148,879,267.74

Finding the Fourth Proportional to 312,685,524, 468,723,281.46 and 148,879,267.74

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Solution

The fourth proportional to 312,685,524, 468,723,281.46 and 148,879,267.74 is: 223,173,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,685,524 : 468,723,281.46 = 148,879,267.74 : x
  2. Step 2: Convert to fraction form
    312,685,524/468,723,281.46 = 148,879,267.74/x
  3. Step 3: Cross multiply
    312,685,524x = 468,723,281.46 × 148,879,267.74
  4. Step 4: Simplify right side
    312,685,524x = 69,783,178,916,454,720
  5. Step 5: Solve for x
    x = 69,783,178,916,454,720/312,685,524
  6. Step 6: Final answer
    x = 223,173,679.50

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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.