Home / 921,622,672.69-1,382,435,339.56-376,364,206.69

Finding the Fourth Proportional to 921,622,672.69, 1,382,435,339.56 and 376,364,206.69

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Solution

The fourth proportional to 921,622,672.69, 1,382,435,339.56 and 376,364,206.69 is: 564,546,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,622,672.69 : 1,382,435,339.56 = 376,364,206.69 : x
  2. Step 2: Convert to fraction form
    921,622,672.69/1,382,435,339.56 = 376,364,206.69/x
  3. Step 3: Cross multiply
    921,622,672.69x = 1,382,435,339.56 × 376,364,206.69
  4. Step 4: Simplify right side
    921,622,672.69x = 520,299,179,869,323,136
  5. Step 5: Solve for x
    x = 520,299,179,869,323,136/921,622,672.69
  6. Step 6: Final answer
    x = 564,546,853.38

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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.