Home / 963,119,991.54-1,329,112,391.31-523,086,843.54

Finding the Fourth Proportional to 963,119,991.54, 1,329,112,391.31 and 523,086,843.54

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Solution

The fourth proportional to 963,119,991.54, 1,329,112,391.31 and 523,086,843.54 is: 721,863,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,119,991.54 : 1,329,112,391.31 = 523,086,843.54 : x
  2. Step 2: Convert to fraction form
    963,119,991.54/1,329,112,391.31 = 523,086,843.54/x
  3. Step 3: Cross multiply
    963,119,991.54x = 1,329,112,391.31 × 523,086,843.54
  4. Step 4: Simplify right side
    963,119,991.54x = 695,241,205,480,249,216
  5. Step 5: Solve for x
    x = 695,241,205,480,249,216/963,119,991.54
  6. Step 6: Final answer
    x = 721,863,538.90

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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.