Home / 864,825,878.26-1,193,453,769.24-468,339,794.65

Finding the Fourth Proportional to 864,825,878.26, 1,193,453,769.24 and 468,339,794.65

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Solution

The fourth proportional to 864,825,878.26, 1,193,453,769.24 and 468,339,794.65 is: 646,305,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,825,878.26 : 1,193,453,769.24 = 468,339,794.65 : x
  2. Step 2: Convert to fraction form
    864,825,878.26/1,193,453,769.24 = 468,339,794.65/x
  3. Step 3: Cross multiply
    864,825,878.26x = 1,193,453,769.24 × 468,339,794.65
  4. Step 4: Simplify right side
    864,825,878.26x = 558,941,893,210,130,048
  5. Step 5: Solve for x
    x = 558,941,893,210,130,048/864,825,878.26
  6. Step 6: Final answer
    x = 646,305,698.36

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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.