Home / 384,589,323.84-576,480,877.44-142,097,563.20

Finding the Fourth Proportional to 384,589,323.84, 576,480,877.44 and 142,097,563.20

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Solution

The fourth proportional to 384,589,323.84, 576,480,877.44 and 142,097,563.20 is: 212,997,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,589,323.84 : 576,480,877.44 = 142,097,563.20 : x
  2. Step 2: Convert to fraction form
    384,589,323.84/576,480,877.44 = 142,097,563.20/x
  3. Step 3: Cross multiply
    384,589,323.84x = 576,480,877.44 × 142,097,563.20
  4. Step 4: Simplify right side
    384,589,323.84x = 81,916,527,915,621,856
  5. Step 5: Solve for x
    x = 81,916,527,915,621,856/384,589,323.84
  6. Step 6: Final answer
    x = 212,997,404.86

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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.