Home / 12,280,780,668.54-18,422,225,869.69-4,312,263,980.86

Finding the Fourth Proportional to 12,280,780,668.54, 18,422,225,869.69 and 4,312,263,980.86

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Solution

The fourth proportional to 12,280,780,668.54, 18,422,225,869.69 and 4,312,263,980.86 is: 6,468,766,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,780,668.54 : 18,422,225,869.69 = 4,312,263,980.86 : x
  2. Step 2: Convert to fraction form
    12,280,780,668.54/18,422,225,869.69 = 4,312,263,980.86/x
  3. Step 3: Cross multiply
    12,280,780,668.54x = 18,422,225,869.69 × 4,312,263,980.86
  4. Step 4: Simplify right side
    12,280,780,668.54x = 79,441,501,065,131,458,560
  5. Step 5: Solve for x
    x = 79,441,501,065,131,458,560/12,280,780,668.54
  6. Step 6: Final answer
    x = 6,468,766,376.44

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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.