Home / 25,621,416,603.70-38,432,124,905.55-15,703,452,085.30

Finding the Fourth Proportional to 25,621,416,603.70, 38,432,124,905.55 and 15,703,452,085.30

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Solution

The fourth proportional to 25,621,416,603.70, 38,432,124,905.55 and 15,703,452,085.30 is: 23,555,178,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621,416,603.70 : 38,432,124,905.55 = 15,703,452,085.30 : x
  2. Step 2: Convert to fraction form
    25,621,416,603.70/38,432,124,905.55 = 15,703,452,085.30/x
  3. Step 3: Cross multiply
    25,621,416,603.70x = 38,432,124,905.55 × 15,703,452,085.30
  4. Step 4: Simplify right side
    25,621,416,603.70x = 603,517,031,990,569,205,760
  5. Step 5: Solve for x
    x = 603,517,031,990,569,205,760/25,621,416,603.70
  6. Step 6: Final answer
    x = 23,555,178,127.95

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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.