Home / 786,593,675.20-1,179,778,538.40-269,047,998.40

Finding the Fourth Proportional to 786,593,675.20, 1,179,778,538.40 and 269,047,998.40

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Solution

The fourth proportional to 786,593,675.20, 1,179,778,538.40 and 269,047,998.40 is: 403,533,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,593,675.20 : 1,179,778,538.40 = 269,047,998.40 : x
  2. Step 2: Convert to fraction form
    786,593,675.20/1,179,778,538.40 = 269,047,998.40/x
  3. Step 3: Cross multiply
    786,593,675.20x = 1,179,778,538.40 × 269,047,998.40
  4. Step 4: Simplify right side
    786,593,675.20x = 317,417,054,311,797,568
  5. Step 5: Solve for x
    x = 317,417,054,311,797,568/786,593,675.20
  6. Step 6: Final answer
    x = 403,533,697.66

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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.