Home / 1,947,947,280.41-2,688,095,229.86-1,055,854,853.44

Finding the Fourth Proportional to 1,947,947,280.41, 2,688,095,229.86 and 1,055,854,853.44

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Solution

The fourth proportional to 1,947,947,280.41, 2,688,095,229.86 and 1,055,854,853.44 is: 1,457,040,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,947,280.41 : 2,688,095,229.86 = 1,055,854,853.44 : x
  2. Step 2: Convert to fraction form
    1,947,947,280.41/2,688,095,229.86 = 1,055,854,853.44/x
  3. Step 3: Cross multiply
    1,947,947,280.41x = 2,688,095,229.86 × 1,055,854,853.44
  4. Step 4: Simplify right side
    1,947,947,280.41x = 2,838,238,394,939,947,520
  5. Step 5: Solve for x
    x = 2,838,238,394,939,947,520/1,947,947,280.41
  6. Step 6: Final answer
    x = 1,457,040,661.98

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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.