Home / 1,928,251,159.52-2,658,296,717.75-1,293,285,120.57

Finding the Fourth Proportional to 1,928,251,159.52, 2,658,296,717.75 and 1,293,285,120.57

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Solution

The fourth proportional to 1,928,251,159.52, 2,658,296,717.75 and 1,293,285,120.57 is: 1,782,929,352.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,251,159.52 : 2,658,296,717.75 = 1,293,285,120.57 : x
  2. Step 2: Convert to fraction form
    1,928,251,159.52/2,658,296,717.75 = 1,293,285,120.57/x
  3. Step 3: Cross multiply
    1,928,251,159.52x = 2,658,296,717.75 × 1,293,285,120.57
  4. Step 4: Simplify right side
    1,928,251,159.52x = 3,437,935,591,122,264,064
  5. Step 5: Solve for x
    x = 3,437,935,591,122,264,064/1,928,251,159.52
  6. Step 6: Final answer
    x = 1,782,929,352.41

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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.