Home / 516,408,506.98-712,658,675.20-281,474,384.12

Finding the Fourth Proportional to 516,408,506.98, 712,658,675.20 and 281,474,384.12

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Solution

The fourth proportional to 516,408,506.98, 712,658,675.20 and 281,474,384.12 is: 388,442,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,408,506.98 : 712,658,675.20 = 281,474,384.12 : x
  2. Step 2: Convert to fraction form
    516,408,506.98/712,658,675.20 = 281,474,384.12/x
  3. Step 3: Cross multiply
    516,408,506.98x = 712,658,675.20 × 281,474,384.12
  4. Step 4: Simplify right side
    516,408,506.98x = 200,595,161,689,695,136
  5. Step 5: Solve for x
    x = 200,595,161,689,695,136/516,408,506.98
  6. Step 6: Final answer
    x = 388,442,790.89

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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.