Home / 1,556,988,848.57-2,148,650,305.52-842,524,408.28

Finding the Fourth Proportional to 1,556,988,848.57, 2,148,650,305.52 and 842,524,408.28

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Solution

The fourth proportional to 1,556,988,848.57, 2,148,650,305.52 and 842,524,408.28 is: 1,162,686,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,988,848.57 : 2,148,650,305.52 = 842,524,408.28 : x
  2. Step 2: Convert to fraction form
    1,556,988,848.57/2,148,650,305.52 = 842,524,408.28/x
  3. Step 3: Cross multiply
    1,556,988,848.57x = 2,148,650,305.52 × 842,524,408.28
  4. Step 4: Simplify right side
    1,556,988,848.57x = 1,810,290,327,243,923,200
  5. Step 5: Solve for x
    x = 1,810,290,327,243,923,200/1,556,988,848.57
  6. Step 6: Final answer
    x = 1,162,686,764.85

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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.