Home / 1,455,483,930.40-2,182,794,941.58-405,969,065.56

Finding the Fourth Proportional to 1,455,483,930.40, 2,182,794,941.58 and 405,969,065.56

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Solution

The fourth proportional to 1,455,483,930.40, 2,182,794,941.58 and 405,969,065.56 is: 608,833,395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,483,930.40 : 2,182,794,941.58 = 405,969,065.56 : x
  2. Step 2: Convert to fraction form
    1,455,483,930.40/2,182,794,941.58 = 405,969,065.56/x
  3. Step 3: Cross multiply
    1,455,483,930.40x = 2,182,794,941.58 × 405,969,065.56
  4. Step 4: Simplify right side
    1,455,483,930.40x = 886,147,222,742,327,424
  5. Step 5: Solve for x
    x = 886,147,222,742,327,424/1,455,483,930.40
  6. Step 6: Final answer
    x = 608,833,395.02

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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.