Home / 1,987,435,198.11-2,742,768,430.60-1,140,655,750.61

Finding the Fourth Proportional to 1,987,435,198.11, 2,742,768,430.60 and 1,140,655,750.61

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Solution

The fourth proportional to 1,987,435,198.11, 2,742,768,430.60 and 1,140,655,750.61 is: 1,574,166,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,435,198.11 : 2,742,768,430.60 = 1,140,655,750.61 : x
  2. Step 2: Convert to fraction form
    1,987,435,198.11/2,742,768,430.60 = 1,140,655,750.61/x
  3. Step 3: Cross multiply
    1,987,435,198.11x = 2,742,768,430.60 × 1,140,655,750.61
  4. Step 4: Simplify right side
    1,987,435,198.11x = 3,128,554,582,956,530,176
  5. Step 5: Solve for x
    x = 3,128,554,582,956,530,176/1,987,435,198.11
  6. Step 6: Final answer
    x = 1,574,166,838.71

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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.