Home / 338,867,780.85-506,019,730.36-276,742,337.76

Finding the Fourth Proportional to 338,867,780.85, 506,019,730.36 and 276,742,337.76

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Solution

The fourth proportional to 338,867,780.85, 506,019,730.36 and 276,742,337.76 is: 413,249,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,867,780.85 : 506,019,730.36 = 276,742,337.76 : x
  2. Step 2: Convert to fraction form
    338,867,780.85/506,019,730.36 = 276,742,337.76/x
  3. Step 3: Cross multiply
    338,867,780.85x = 506,019,730.36 × 276,742,337.76
  4. Step 4: Simplify right side
    338,867,780.85x = 140,037,083,131,819,392
  5. Step 5: Solve for x
    x = 140,037,083,131,819,392/338,867,780.85
  6. Step 6: Final answer
    x = 413,249,919.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.