Home / 1,558,420,019.02-2,150,620,785.73-843,961,118.36

Finding the Fourth Proportional to 1,558,420,019.02, 2,150,620,785.73 and 843,961,118.36

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Solution

The fourth proportional to 1,558,420,019.02, 2,150,620,785.73 and 843,961,118.36 is: 1,164,666,971.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,420,019.02 : 2,150,620,785.73 = 843,961,118.36 : x
  2. Step 2: Convert to fraction form
    1,558,420,019.02/2,150,620,785.73 = 843,961,118.36/x
  3. Step 3: Cross multiply
    1,558,420,019.02x = 2,150,620,785.73 × 843,961,118.36
  4. Step 4: Simplify right side
    1,558,420,019.02x = 1,815,040,323,488,732,928
  5. Step 5: Solve for x
    x = 1,815,040,323,488,732,928/1,558,420,019.02
  6. Step 6: Final answer
    x = 1,164,666,971.25

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1.5x scale

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.