Home / 1,305,712,036.80-1,958,568,055.20-444,069,028.80

Finding the Fourth Proportional to 1,305,712,036.80, 1,958,568,055.20 and 444,069,028.80

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Solution

The fourth proportional to 1,305,712,036.80, 1,958,568,055.20 and 444,069,028.80 is: 666,103,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,712,036.80 : 1,958,568,055.20 = 444,069,028.80 : x
  2. Step 2: Convert to fraction form
    1,305,712,036.80/1,958,568,055.20 = 444,069,028.80/x
  3. Step 3: Cross multiply
    1,305,712,036.80x = 1,958,568,055.20 × 444,069,028.80
  4. Step 4: Simplify right side
    1,305,712,036.80x = 869,739,414,111,368,832
  5. Step 5: Solve for x
    x = 869,739,414,111,368,832/1,305,712,036.80
  6. Step 6: Final answer
    x = 666,103,543.20

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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.