Home / 953,479,715.42-1,429,447,765.78-298,093,388.19

Finding the Fourth Proportional to 953,479,715.42, 1,429,447,765.78 and 298,093,388.19

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Solution

The fourth proportional to 953,479,715.42, 1,429,447,765.78 and 298,093,388.19 is: 446,898,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,479,715.42 : 1,429,447,765.78 = 298,093,388.19 : x
  2. Step 2: Convert to fraction form
    953,479,715.42/1,429,447,765.78 = 298,093,388.19/x
  3. Step 3: Cross multiply
    953,479,715.42x = 1,429,447,765.78 × 298,093,388.19
  4. Step 4: Simplify right side
    953,479,715.42x = 426,108,927,741,985,728
  5. Step 5: Solve for x
    x = 426,108,927,741,985,728/953,479,715.42
  6. Step 6: Final answer
    x = 446,898,786.47

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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.