Home / 25,559,867,000.20-38,339,800,500.30-21,206,302,328.20

Finding the Fourth Proportional to 25,559,867,000.20, 38,339,800,500.30 and 21,206,302,328.20

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Solution

The fourth proportional to 25,559,867,000.20, 38,339,800,500.30 and 21,206,302,328.20 is: 31,809,453,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559,867,000.20 : 38,339,800,500.30 = 21,206,302,328.20 : x
  2. Step 2: Convert to fraction form
    25,559,867,000.20/38,339,800,500.30 = 21,206,302,328.20/x
  3. Step 3: Cross multiply
    25,559,867,000.20x = 38,339,800,500.30 × 21,206,302,328.20
  4. Step 4: Simplify right side
    25,559,867,000.20x = 813,045,400,612,235,509,760
  5. Step 5: Solve for x
    x = 813,045,400,612,235,509,760/25,559,867,000.20
  6. Step 6: Final answer
    x = 31,809,453,492.30

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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.