Home / 1,023,509,563.39-1,535,268,842.78-324,005,135.53

Finding the Fourth Proportional to 1,023,509,563.39, 1,535,268,842.78 and 324,005,135.53

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Solution

The fourth proportional to 1,023,509,563.39, 1,535,268,842.78 and 324,005,135.53 is: 486,009,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,509,563.39 : 1,535,268,842.78 = 324,005,135.53 : x
  2. Step 2: Convert to fraction form
    1,023,509,563.39/1,535,268,842.78 = 324,005,135.53/x
  3. Step 3: Cross multiply
    1,023,509,563.39x = 1,535,268,842.78 × 324,005,135.53
  4. Step 4: Simplify right side
    1,023,509,563.39x = 497,434,989,474,848,640
  5. Step 5: Solve for x
    x = 497,434,989,474,848,640/1,023,509,563.39
  6. Step 6: Final answer
    x = 486,009,127.10

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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.