Home / 1,608,338,211-2,219,601,538.44-1,211,160,465.24

Finding the Fourth Proportional to 1,608,338,211, 2,219,601,538.44 and 1,211,160,465.24

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Solution

The fourth proportional to 1,608,338,211, 2,219,601,538.44 and 1,211,160,465.24 is: 1,671,472,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,338,211 : 2,219,601,538.44 = 1,211,160,465.24 : x
  2. Step 2: Convert to fraction form
    1,608,338,211/2,219,601,538.44 = 1,211,160,465.24/x
  3. Step 3: Cross multiply
    1,608,338,211x = 2,219,601,538.44 × 1,211,160,465.24
  4. Step 4: Simplify right side
    1,608,338,211x = 2,688,293,631,944,410,112
  5. Step 5: Solve for x
    x = 2,688,293,631,944,410,112/1,608,338,211
  6. Step 6: Final answer
    x = 1,671,472,836.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.