Home / 517,829,509.12-714,775,020.96-412,176,725.52

Finding the Fourth Proportional to 517,829,509.12, 714,775,020.96 and 412,176,725.52

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Solution

The fourth proportional to 517,829,509.12, 714,775,020.96 and 412,176,725.52 is: 568,939,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,829,509.12 : 714,775,020.96 = 412,176,725.52 : x
  2. Step 2: Convert to fraction form
    517,829,509.12/714,775,020.96 = 412,176,725.52/x
  3. Step 3: Cross multiply
    517,829,509.12x = 714,775,020.96 × 412,176,725.52
  4. Step 4: Simplify right side
    517,829,509.12x = 294,613,627,622,782,144
  5. Step 5: Solve for x
    x = 294,613,627,622,782,144/517,829,509.12
  6. Step 6: Final answer
    x = 568,939,433.61

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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.