Home / 969,222,303.45-1,453,863,028.98-378,988,969.77

Finding the Fourth Proportional to 969,222,303.45, 1,453,863,028.98 and 378,988,969.77

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Solution

The fourth proportional to 969,222,303.45, 1,453,863,028.98 and 378,988,969.77 is: 568,495,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,222,303.45 : 1,453,863,028.98 = 378,988,969.77 : x
  2. Step 2: Convert to fraction form
    969,222,303.45/1,453,863,028.98 = 378,988,969.77/x
  3. Step 3: Cross multiply
    969,222,303.45x = 1,453,863,028.98 × 378,988,969.77
  4. Step 4: Simplify right side
    969,222,303.45x = 550,998,051,541,224,128
  5. Step 5: Solve for x
    x = 550,998,051,541,224,128/969,222,303.45
  6. Step 6: Final answer
    x = 568,495,018.72

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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.