Home / 8,339,047,337.40-12,508,560,969.30-2,128,213,289.40

Finding the Fourth Proportional to 8,339,047,337.40, 12,508,560,969.30 and 2,128,213,289.40

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Solution

The fourth proportional to 8,339,047,337.40, 12,508,560,969.30 and 2,128,213,289.40 is: 3,192,317,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339,047,337.40 : 12,508,560,969.30 = 2,128,213,289.40 : x
  2. Step 2: Convert to fraction form
    8,339,047,337.40/12,508,560,969.30 = 2,128,213,289.40/x
  3. Step 3: Cross multiply
    8,339,047,337.40x = 12,508,560,969.30 × 2,128,213,289.40
  4. Step 4: Simplify right side
    8,339,047,337.40x = 26,620,885,686,134,403,072
  5. Step 5: Solve for x
    x = 26,620,885,686,134,403,072/8,339,047,337.40
  6. Step 6: Final answer
    x = 3,192,317,372.60

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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.