Home / 384,021,950.58-529,951,687.11-207,809,925.87

Finding the Fourth Proportional to 384,021,950.58, 529,951,687.11 and 207,809,925.87

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Solution

The fourth proportional to 384,021,950.58, 529,951,687.11 and 207,809,925.87 is: 286,778,452.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,021,950.58 : 529,951,687.11 = 207,809,925.87 : x
  2. Step 2: Convert to fraction form
    384,021,950.58/529,951,687.11 = 207,809,925.87/x
  3. Step 3: Cross multiply
    384,021,950.58x = 529,951,687.11 × 207,809,925.87
  4. Step 4: Simplify right side
    384,021,950.58x = 110,129,220,813,010,544
  5. Step 5: Solve for x
    x = 110,129,220,813,010,544/384,021,950.58
  6. Step 6: Final answer
    x = 286,778,452.76

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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.