Home / 457,813,667.10-686,762,491.05-151,106,454.30

Finding the Fourth Proportional to 457,813,667.10, 686,762,491.05 and 151,106,454.30

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Solution

The fourth proportional to 457,813,667.10, 686,762,491.05 and 151,106,454.30 is: 226,673,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,813,667.10 : 686,762,491.05 = 151,106,454.30 : x
  2. Step 2: Convert to fraction form
    457,813,667.10/686,762,491.05 = 151,106,454.30/x
  3. Step 3: Cross multiply
    457,813,667.10x = 686,762,491.05 × 151,106,454.30
  4. Step 4: Simplify right side
    457,813,667.10x = 103,774,244,968,800,992
  5. Step 5: Solve for x
    x = 103,774,244,968,800,992/457,813,667.10
  6. Step 6: Final answer
    x = 226,673,540.85

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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.