Home / 761,728,178.32-1,051,299,791.40-464,542,833.04

Finding the Fourth Proportional to 761,728,178.32, 1,051,299,791.40 and 464,542,833.04

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Solution

The fourth proportional to 761,728,178.32, 1,051,299,791.40 and 464,542,833.04 is: 641,139,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,728,178.32 : 1,051,299,791.40 = 464,542,833.04 : x
  2. Step 2: Convert to fraction form
    761,728,178.32/1,051,299,791.40 = 464,542,833.04/x
  3. Step 3: Cross multiply
    761,728,178.32x = 1,051,299,791.40 × 464,542,833.04
  4. Step 4: Simplify right side
    761,728,178.32x = 488,373,783,471,317,056
  5. Step 5: Solve for x
    x = 488,373,783,471,317,056/761,728,178.32
  6. Step 6: Final answer
    x = 641,139,185.04

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Double scale
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1.5x scale

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.