Home / 1,489,291,869.63-2,055,367,948.74-1,112,293,947.42

Finding the Fourth Proportional to 1,489,291,869.63, 2,055,367,948.74 and 1,112,293,947.42

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Solution

The fourth proportional to 1,489,291,869.63, 2,055,367,948.74 and 1,112,293,947.42 is: 1,535,074,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,291,869.63 : 2,055,367,948.74 = 1,112,293,947.42 : x
  2. Step 2: Convert to fraction form
    1,489,291,869.63/2,055,367,948.74 = 1,112,293,947.42/x
  3. Step 3: Cross multiply
    1,489,291,869.63x = 2,055,367,948.74 × 1,112,293,947.42
  4. Step 4: Simplify right side
    1,489,291,869.63x = 2,286,173,329,104,562,944
  5. Step 5: Solve for x
    x = 2,286,173,329,104,562,944/1,489,291,869.63
  6. Step 6: Final answer
    x = 1,535,074,068.24

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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.