Home / 3,119,780,820.10-4,302,787,168.86-2,742,631,010.68

Finding the Fourth Proportional to 3,119,780,820.10, 4,302,787,168.86 and 2,742,631,010.68

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Solution

The fourth proportional to 3,119,780,820.10, 4,302,787,168.86 and 2,742,631,010.68 is: 3,782,623,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,780,820.10 : 4,302,787,168.86 = 2,742,631,010.68 : x
  2. Step 2: Convert to fraction form
    3,119,780,820.10/4,302,787,168.86 = 2,742,631,010.68/x
  3. Step 3: Cross multiply
    3,119,780,820.10x = 4,302,787,168.86 × 2,742,631,010.68
  4. Step 4: Simplify right side
    3,119,780,820.10x = 11,800,957,521,671,436,288
  5. Step 5: Solve for x
    x = 11,800,957,521,671,436,288/3,119,780,820.10
  6. Step 6: Final answer
    x = 3,782,623,909.23

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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.