Home / 2,786,238,300.60-4,179,357,450.90-1,128,142,380.60

Finding the Fourth Proportional to 2,786,238,300.60, 4,179,357,450.90 and 1,128,142,380.60

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Solution

The fourth proportional to 2,786,238,300.60, 4,179,357,450.90 and 1,128,142,380.60 is: 1,692,213,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,238,300.60 : 4,179,357,450.90 = 1,128,142,380.60 : x
  2. Step 2: Convert to fraction form
    2,786,238,300.60/4,179,357,450.90 = 1,128,142,380.60/x
  3. Step 3: Cross multiply
    2,786,238,300.60x = 4,179,357,450.90 × 1,128,142,380.60
  4. Step 4: Simplify right side
    2,786,238,300.60x = 4,714,910,264,036,673,536
  5. Step 5: Solve for x
    x = 4,714,910,264,036,673,536/2,786,238,300.60
  6. Step 6: Final answer
    x = 1,692,213,570.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.