Home / 447,316,390,011.72-617,298,503,430.82-252,002,015,432.42

Finding the Fourth Proportional to 447,316,390,011.72, 617,298,503,430.82 and 252,002,015,432.42

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Solution

The fourth proportional to 447,316,390,011.72, 617,298,503,430.82 and 252,002,015,432.42 is: 347,763,843,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,316,390,011.72 : 617,298,503,430.82 = 252,002,015,432.42 : x
  2. Step 2: Convert to fraction form
    447,316,390,011.72/617,298,503,430.82 = 252,002,015,432.42/x
  3. Step 3: Cross multiply
    447,316,390,011.72x = 617,298,503,430.82 × 252,002,015,432.42
  4. Step 4: Simplify right side
    447,316,390,011.72x = 155,560,466,987,983,256,420,352
  5. Step 5: Solve for x
    x = 155,560,466,987,983,256,420,352/447,316,390,011.72
  6. Step 6: Final answer
    x = 347,763,843,359.08

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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.