Home / 1,947,958,420.87-2,688,110,576.22-1,055,865,993.72

Finding the Fourth Proportional to 1,947,958,420.87, 2,688,110,576.22 and 1,055,865,993.72

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Solution

The fourth proportional to 1,947,958,420.87, 2,688,110,576.22 and 1,055,865,993.72 is: 1,457,056,020.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,958,420.87 : 2,688,110,576.22 = 1,055,865,993.72 : x
  2. Step 2: Convert to fraction form
    1,947,958,420.87/2,688,110,576.22 = 1,055,865,993.72/x
  3. Step 3: Cross multiply
    1,947,958,420.87x = 2,688,110,576.22 × 1,055,865,993.72
  4. Step 4: Simplify right side
    1,947,958,420.87x = 2,838,284,544,789,771,776
  5. Step 5: Solve for x
    x = 2,838,284,544,789,771,776/1,947,958,420.87
  6. Step 6: Final answer
    x = 1,457,056,020.49

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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.