Home / 1,815,269,911.41-2,505,006,342.50-1,011,455,877.22

Finding the Fourth Proportional to 1,815,269,911.41, 2,505,006,342.50 and 1,011,455,877.22

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Solution

The fourth proportional to 1,815,269,911.41, 2,505,006,342.50 and 1,011,455,877.22 is: 1,395,772,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,269,911.41 : 2,505,006,342.50 = 1,011,455,877.22 : x
  2. Step 2: Convert to fraction form
    1,815,269,911.41/2,505,006,342.50 = 1,011,455,877.22/x
  3. Step 3: Cross multiply
    1,815,269,911.41x = 2,505,006,342.50 × 1,011,455,877.22
  4. Step 4: Simplify right side
    1,815,269,911.41x = 2,533,703,387,589,943,808
  5. Step 5: Solve for x
    x = 2,533,703,387,589,943,808/1,815,269,911.41
  6. Step 6: Final answer
    x = 1,395,772,260.46

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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.