Home / 1,406,597,415.21-2,110,090,144.71-816,665,481.58

Finding the Fourth Proportional to 1,406,597,415.21, 2,110,090,144.71 and 816,665,481.58

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Solution

The fourth proportional to 1,406,597,415.21, 2,110,090,144.71 and 816,665,481.58 is: 1,225,110,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,597,415.21 : 2,110,090,144.71 = 816,665,481.58 : x
  2. Step 2: Convert to fraction form
    1,406,597,415.21/2,110,090,144.71 = 816,665,481.58/x
  3. Step 3: Cross multiply
    1,406,597,415.21x = 2,110,090,144.71 × 816,665,481.58
  4. Step 4: Simplify right side
    1,406,597,415.21x = 1,723,237,784,206,804,224
  5. Step 5: Solve for x
    x = 1,723,237,784,206,804,224/1,406,597,415.21
  6. Step 6: Final answer
    x = 1,225,110,870.80

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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.