Home / 869,256,227.60-1,303,436,443.80-323,716,950.80

Finding the Fourth Proportional to 869,256,227.60, 1,303,436,443.80 and 323,716,950.80

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Solution

The fourth proportional to 869,256,227.60, 1,303,436,443.80 and 323,716,950.80 is: 485,408,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,256,227.60 : 1,303,436,443.80 = 323,716,950.80 : x
  2. Step 2: Convert to fraction form
    869,256,227.60/1,303,436,443.80 = 323,716,950.80/x
  3. Step 3: Cross multiply
    869,256,227.60x = 1,303,436,443.80 × 323,716,950.80
  4. Step 4: Simplify right side
    869,256,227.60x = 421,944,471,148,531,584
  5. Step 5: Solve for x
    x = 421,944,471,148,531,584/869,256,227.60
  6. Step 6: Final answer
    x = 485,408,626.08

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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.