Home / 1,112,704,505.09-1,535,455,405.55-617,628,241.25

Finding the Fourth Proportional to 1,112,704,505.09, 1,535,455,405.55 and 617,628,241.25

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Solution

The fourth proportional to 1,112,704,505.09, 1,535,455,405.55 and 617,628,241.25 is: 852,284,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,704,505.09 : 1,535,455,405.55 = 617,628,241.25 : x
  2. Step 2: Convert to fraction form
    1,112,704,505.09/1,535,455,405.55 = 617,628,241.25/x
  3. Step 3: Cross multiply
    1,112,704,505.09x = 1,535,455,405.55 × 617,628,241.25
  4. Step 4: Simplify right side
    1,112,704,505.09x = 948,340,621,644,563,840
  5. Step 5: Solve for x
    x = 948,340,621,644,563,840/1,112,704,505.09
  6. Step 6: Final answer
    x = 852,284,337.22

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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.