Home / 8,215,208,171.81-12,319,671,034.65-4,482,504,453.77

Finding the Fourth Proportional to 8,215,208,171.81, 12,319,671,034.65 and 4,482,504,453.77

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Solution

The fourth proportional to 8,215,208,171.81, 12,319,671,034.65 and 4,482,504,453.77 is: 6,722,042,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,208,171.81 : 12,319,671,034.65 = 4,482,504,453.77 : x
  2. Step 2: Convert to fraction form
    8,215,208,171.81/12,319,671,034.65 = 4,482,504,453.77/x
  3. Step 3: Cross multiply
    8,215,208,171.81x = 12,319,671,034.65 × 4,482,504,453.77
  4. Step 4: Simplify right side
    8,215,208,171.81x = 55,222,980,281,848,373,248
  5. Step 5: Solve for x
    x = 55,222,980,281,848,373,248/8,215,208,171.81
  6. Step 6: Final answer
    x = 6,722,042,719.67

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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.