Home / 494,868,973.59-742,609,994.04-287,704,885.05

Finding the Fourth Proportional to 494,868,973.59, 742,609,994.04 and 287,704,885.05

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Solution

The fourth proportional to 494,868,973.59, 742,609,994.04 and 287,704,885.05 is: 431,735,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,868,973.59 : 742,609,994.04 = 287,704,885.05 : x
  2. Step 2: Convert to fraction form
    494,868,973.59/742,609,994.04 = 287,704,885.05/x
  3. Step 3: Cross multiply
    494,868,973.59x = 742,609,994.04 × 287,704,885.05
  4. Step 4: Simplify right side
    494,868,973.59x = 213,652,522,972,259,392
  5. Step 5: Solve for x
    x = 213,652,522,972,259,392/494,868,973.59
  6. Step 6: Final answer
    x = 431,735,538.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.