Home / 1,879,637,216.19-2,591,307,464.11-1,499,449,641.51

Finding the Fourth Proportional to 1,879,637,216.19, 2,591,307,464.11 and 1,499,449,641.51

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Solution

The fourth proportional to 1,879,637,216.19, 2,591,307,464.11 and 1,499,449,641.51 is: 2,067,172,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,637,216.19 : 2,591,307,464.11 = 1,499,449,641.51 : x
  2. Step 2: Convert to fraction form
    1,879,637,216.19/2,591,307,464.11 = 1,499,449,641.51/x
  3. Step 3: Cross multiply
    1,879,637,216.19x = 2,591,307,464.11 × 1,499,449,641.51
  4. Step 4: Simplify right side
    1,879,637,216.19x = 3,885,535,048,107,312,640
  5. Step 5: Solve for x
    x = 3,885,535,048,107,312,640/1,879,637,216.19
  6. Step 6: Final answer
    x = 2,067,172,864.33

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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.