Home / 25,559,867,011.20-38,339,800,516.80-21,206,302,339.20

Finding the Fourth Proportional to 25,559,867,011.20, 38,339,800,516.80 and 21,206,302,339.20

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Solution

The fourth proportional to 25,559,867,011.20, 38,339,800,516.80 and 21,206,302,339.20 is: 31,809,453,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559,867,011.20 : 38,339,800,516.80 = 21,206,302,339.20 : x
  2. Step 2: Convert to fraction form
    25,559,867,011.20/38,339,800,516.80 = 21,206,302,339.20/x
  3. Step 3: Cross multiply
    25,559,867,011.20x = 38,339,800,516.80 × 21,206,302,339.20
  4. Step 4: Simplify right side
    25,559,867,011.20x = 813,045,401,383,877,345,280
  5. Step 5: Solve for x
    x = 813,045,401,383,877,345,280/25,559,867,011.20
  6. Step 6: Final answer
    x = 31,809,453,508.80

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1.5x scale

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.