Home / 1,815,269,907.78-2,505,006,337.50-1,011,455,873.60

Finding the Fourth Proportional to 1,815,269,907.78, 2,505,006,337.50 and 1,011,455,873.60

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Solution

The fourth proportional to 1,815,269,907.78, 2,505,006,337.50 and 1,011,455,873.60 is: 1,395,772,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,269,907.78 : 2,505,006,337.50 = 1,011,455,873.60 : x
  2. Step 2: Convert to fraction form
    1,815,269,907.78/2,505,006,337.50 = 1,011,455,873.60/x
  3. Step 3: Cross multiply
    1,815,269,907.78x = 2,505,006,337.50 × 1,011,455,873.60
  4. Step 4: Simplify right side
    1,815,269,907.78x = 2,533,703,373,457,074,176
  5. Step 5: Solve for x
    x = 2,533,703,373,457,074,176/1,815,269,907.78
  6. Step 6: Final answer
    x = 1,395,772,255.46

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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.