Home / 759,742,032-1,048,476,771.84-420,650,505.66

Finding the Fourth Proportional to 759,742,032, 1,048,476,771.84 and 420,650,505.66

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Solution

The fourth proportional to 759,742,032, 1,048,476,771.84 and 420,650,505.66 is: 580,515,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,742,032 : 1,048,476,771.84 = 420,650,505.66 : x
  2. Step 2: Convert to fraction form
    759,742,032/1,048,476,771.84 = 420,650,505.66/x
  3. Step 3: Cross multiply
    759,742,032x = 1,048,476,771.84 × 420,650,505.66
  4. Step 4: Simplify right side
    759,742,032x = 441,042,284,247,260,480
  5. Step 5: Solve for x
    x = 441,042,284,247,260,480/759,742,032
  6. Step 6: Final answer
    x = 580,515,840.47

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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.