Home / 1,742,878,793.37-2,405,223,142.47-949,976,128.83

Finding the Fourth Proportional to 1,742,878,793.37, 2,405,223,142.47 and 949,976,128.83

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Solution

The fourth proportional to 1,742,878,793.37, 2,405,223,142.47 and 949,976,128.83 is: 1,310,994,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,878,793.37 : 2,405,223,142.47 = 949,976,128.83 : x
  2. Step 2: Convert to fraction form
    1,742,878,793.37/2,405,223,142.47 = 949,976,128.83/x
  3. Step 3: Cross multiply
    1,742,878,793.37x = 2,405,223,142.47 × 949,976,128.83
  4. Step 4: Simplify right side
    1,742,878,793.37x = 2,284,904,569,855,977,984
  5. Step 5: Solve for x
    x = 2,284,904,569,855,977,984/1,742,878,793.37
  6. Step 6: Final answer
    x = 1,310,994,533.04

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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.