Home / 2,784,358,830.11-4,178,378,241.21-1,310,920,014.11

Finding the Fourth Proportional to 2,784,358,830.11, 4,178,378,241.21 and 1,310,920,014.11

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Solution

The fourth proportional to 2,784,358,830.11, 4,178,378,241.21 and 1,310,920,014.11 is: 1,967,246,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,358,830.11 : 4,178,378,241.21 = 1,310,920,014.11 : x
  2. Step 2: Convert to fraction form
    2,784,358,830.11/4,178,378,241.21 = 1,310,920,014.11/x
  3. Step 3: Cross multiply
    2,784,358,830.11x = 4,178,378,241.21 × 1,310,920,014.11
  4. Step 4: Simplify right side
    2,784,358,830.11x = 5,477,519,662,923,929,600
  5. Step 5: Solve for x
    x = 5,477,519,662,923,929,600/2,784,358,830.11
  6. Step 6: Final answer
    x = 1,967,246,320.30

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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.