Home / 2,125,768,800.60-3,188,653,200.90-1,681,909,277.40

Finding the Fourth Proportional to 2,125,768,800.60, 3,188,653,200.90 and 1,681,909,277.40

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Solution

The fourth proportional to 2,125,768,800.60, 3,188,653,200.90 and 1,681,909,277.40 is: 2,522,863,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,768,800.60 : 3,188,653,200.90 = 1,681,909,277.40 : x
  2. Step 2: Convert to fraction form
    2,125,768,800.60/3,188,653,200.90 = 1,681,909,277.40/x
  3. Step 3: Cross multiply
    2,125,768,800.60x = 3,188,653,200.90 × 1,681,909,277.40
  4. Step 4: Simplify right side
    2,125,768,800.60x = 5,363,025,401,004,916,736
  5. Step 5: Solve for x
    x = 5,363,025,401,004,916,736/2,125,768,800.60
  6. Step 6: Final answer
    x = 2,522,863,916.10

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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.