Home / 1,189,567,214.91-1,641,647,059.85-713,335,118.93

Finding the Fourth Proportional to 1,189,567,214.91, 1,641,647,059.85 and 713,335,118.93

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Solution

The fourth proportional to 1,189,567,214.91, 1,641,647,059.85 and 713,335,118.93 is: 984,429,030.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,567,214.91 : 1,641,647,059.85 = 713,335,118.93 : x
  2. Step 2: Convert to fraction form
    1,189,567,214.91/1,641,647,059.85 = 713,335,118.93/x
  3. Step 3: Cross multiply
    1,189,567,214.91x = 1,641,647,059.85 × 713,335,118.93
  4. Step 4: Simplify right side
    1,189,567,214.91x = 1,171,044,500,667,409,664
  5. Step 5: Solve for x
    x = 1,171,044,500,667,409,664/1,189,567,214.91
  6. Step 6: Final answer
    x = 984,429,030.99

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Double scale
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1.5x scale

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.