Home / 658,480,311.40-988,103,104.68-294,974,667.40

Finding the Fourth Proportional to 658,480,311.40, 988,103,104.68 and 294,974,667.40

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Solution

The fourth proportional to 658,480,311.40, 988,103,104.68 and 294,974,667.40 is: 442,633,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,480,311.40 : 988,103,104.68 = 294,974,667.40 : x
  2. Step 2: Convert to fraction form
    658,480,311.40/988,103,104.68 = 294,974,667.40/x
  3. Step 3: Cross multiply
    658,480,311.40x = 988,103,104.68 × 294,974,667.40
  4. Step 4: Simplify right side
    658,480,311.40x = 291,465,384,659,890,368
  5. Step 5: Solve for x
    x = 291,465,384,659,890,368/658,480,311.40
  6. Step 6: Final answer
    x = 442,633,408.49

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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.