Home / 953,479,708.78-1,429,447,755.48-298,093,381.56

Finding the Fourth Proportional to 953,479,708.78, 1,429,447,755.48 and 298,093,381.56

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Solution

The fourth proportional to 953,479,708.78, 1,429,447,755.48 and 298,093,381.56 is: 446,898,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,479,708.78 : 1,429,447,755.48 = 298,093,381.56 : x
  2. Step 2: Convert to fraction form
    953,479,708.78/1,429,447,755.48 = 298,093,381.56/x
  3. Step 3: Cross multiply
    953,479,708.78x = 1,429,447,755.48 × 298,093,381.56
  4. Step 4: Simplify right side
    953,479,708.78x = 426,108,915,194,385,216
  5. Step 5: Solve for x
    x = 426,108,915,194,385,216/953,479,708.78
  6. Step 6: Final answer
    x = 446,898,776.42

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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.