Home / 1,573,109,240,217.90-2,170,867,648,100.40-878,659,932,584.54

Finding the Fourth Proportional to 1,573,109,240,217.90, 2,170,867,648,100.40 and 878,659,932,584.54

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Solution

The fourth proportional to 1,573,109,240,217.90, 2,170,867,648,100.40 and 878,659,932,584.54 is: 1,212,537,802,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,109,240,217.90 : 2,170,867,648,100.40 = 878,659,932,584.54 : x
  2. Step 2: Convert to fraction form
    1,573,109,240,217.90/2,170,867,648,100.40 = 878,659,932,584.54/x
  3. Step 3: Cross multiply
    1,573,109,240,217.90x = 2,170,867,648,100.40 × 878,659,932,584.54
  4. Step 4: Simplify right side
    1,573,109,240,217.90x = 1,907,454,421,329,856,312,639,488
  5. Step 5: Solve for x
    x = 1,907,454,421,329,856,312,639,488/1,573,109,240,217.90
  6. Step 6: Final answer
    x = 1,212,537,802,565.86

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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.