Home / 1,309,266,908.40-1,963,900,362.60-1,167,212,729.10

Finding the Fourth Proportional to 1,309,266,908.40, 1,963,900,362.60 and 1,167,212,729.10

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Solution

The fourth proportional to 1,309,266,908.40, 1,963,900,362.60 and 1,167,212,729.10 is: 1,750,819,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,266,908.40 : 1,963,900,362.60 = 1,167,212,729.10 : x
  2. Step 2: Convert to fraction form
    1,309,266,908.40/1,963,900,362.60 = 1,167,212,729.10/x
  3. Step 3: Cross multiply
    1,309,266,908.40x = 1,963,900,362.60 × 1,167,212,729.10
  4. Step 4: Simplify right side
    1,309,266,908.40x = 2,292,289,501,910,825,216
  5. Step 5: Solve for x
    x = 2,292,289,501,910,825,216/1,309,266,908.40
  6. Step 6: Final answer
    x = 1,750,819,093.65

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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.