Home / 25,559,866,997.70-38,339,800,496.55-21,206,302,325.70

Finding the Fourth Proportional to 25,559,866,997.70, 38,339,800,496.55 and 21,206,302,325.70

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Solution

The fourth proportional to 25,559,866,997.70, 38,339,800,496.55 and 21,206,302,325.70 is: 31,809,453,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559,866,997.70 : 38,339,800,496.55 = 21,206,302,325.70 : x
  2. Step 2: Convert to fraction form
    25,559,866,997.70/38,339,800,496.55 = 21,206,302,325.70/x
  3. Step 3: Cross multiply
    25,559,866,997.70x = 38,339,800,496.55 × 21,206,302,325.70
  4. Step 4: Simplify right side
    25,559,866,997.70x = 813,045,400,436,862,353,408
  5. Step 5: Solve for x
    x = 813,045,400,436,862,353,408/25,559,866,997.70
  6. Step 6: Final answer
    x = 31,809,453,488.55

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Double scale
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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.