Home / 512,631,936.24-768,952,725.48-124,458,176.40

Finding the Fourth Proportional to 512,631,936.24, 768,952,725.48 and 124,458,176.40

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Solution

The fourth proportional to 512,631,936.24, 768,952,725.48 and 124,458,176.40 is: 186,688,435.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,631,936.24 : 768,952,725.48 = 124,458,176.40 : x
  2. Step 2: Convert to fraction form
    512,631,936.24/768,952,725.48 = 124,458,176.40/x
  3. Step 3: Cross multiply
    512,631,936.24x = 768,952,725.48 × 124,458,176.40
  4. Step 4: Simplify right side
    512,631,936.24x = 95,702,453,951,050,624
  5. Step 5: Solve for x
    x = 95,702,453,951,050,624/512,631,936.24
  6. Step 6: Final answer
    x = 186,688,435.08

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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.