Home / 524,483,135.40-786,945,152.70-281,862,604.20

Finding the Fourth Proportional to 524,483,135.40, 786,945,152.70 and 281,862,604.20

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Solution

The fourth proportional to 524,483,135.40, 786,945,152.70 and 281,862,604.20 is: 422,912,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,483,135.40 : 786,945,152.70 = 281,862,604.20 : x
  2. Step 2: Convert to fraction form
    524,483,135.40/786,945,152.70 = 281,862,604.20/x
  3. Step 3: Cross multiply
    524,483,135.40x = 786,945,152.70 × 281,862,604.20
  4. Step 4: Simplify right side
    524,483,135.40x = 221,810,410,102,588,672
  5. Step 5: Solve for x
    x = 221,810,410,102,588,672/524,483,135.40
  6. Step 6: Final answer
    x = 422,912,378.17

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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.