Home / 1,948,725,131.76-2,689,237,804.32-1,056,650,237.28

Finding the Fourth Proportional to 1,948,725,131.76, 2,689,237,804.32 and 1,056,650,237.28

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Solution

The fourth proportional to 1,948,725,131.76, 2,689,237,804.32 and 1,056,650,237.28 is: 1,458,175,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,725,131.76 : 2,689,237,804.32 = 1,056,650,237.28 : x
  2. Step 2: Convert to fraction form
    1,948,725,131.76/2,689,237,804.32 = 1,056,650,237.28/x
  3. Step 3: Cross multiply
    1,948,725,131.76x = 2,689,237,804.32 × 1,056,650,237.28
  4. Step 4: Simplify right side
    1,948,725,131.76x = 2,841,583,764,037,074,432
  5. Step 5: Solve for x
    x = 2,841,583,764,037,074,432/1,948,725,131.76
  6. Step 6: Final answer
    x = 1,458,175,767.19

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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.