Home / 12,073,208,978.70-18,099,042,930.45-4,710,507,266.70

Finding the Fourth Proportional to 12,073,208,978.70, 18,099,042,930.45 and 4,710,507,266.70

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Solution

The fourth proportional to 12,073,208,978.70, 18,099,042,930.45 and 4,710,507,266.70 is: 7,061,558,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,208,978.70 : 18,099,042,930.45 = 4,710,507,266.70 : x
  2. Step 2: Convert to fraction form
    12,073,208,978.70/18,099,042,930.45 = 4,710,507,266.70/x
  3. Step 3: Cross multiply
    12,073,208,978.70x = 18,099,042,930.45 × 4,710,507,266.70
  4. Step 4: Simplify right side
    12,073,208,978.70x = 85,255,673,244,199,993,344
  5. Step 5: Solve for x
    x = 85,255,673,244,199,993,344/12,073,208,978.70
  6. Step 6: Final answer
    x = 7,061,558,645.64

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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.