Home / 409,293,465,978.04-564,787,078,418.28-226,386,630,956.56

Finding the Fourth Proportional to 409,293,465,978.04, 564,787,078,418.28 and 226,386,630,956.56

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Solution

The fourth proportional to 409,293,465,978.04, 564,787,078,418.28 and 226,386,630,956.56 is: 312,392,585,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,293,465,978.04 : 564,787,078,418.28 = 226,386,630,956.56 : x
  2. Step 2: Convert to fraction form
    409,293,465,978.04/564,787,078,418.28 = 226,386,630,956.56/x
  3. Step 3: Cross multiply
    409,293,465,978.04x = 564,787,078,418.28 × 226,386,630,956.56
  4. Step 4: Simplify right side
    409,293,465,978.04x = 127,860,243,890,912,872,103,936
  5. Step 5: Solve for x
    x = 127,860,243,890,912,872,103,936/409,293,465,978.04
  6. Step 6: Final answer
    x = 312,392,585,074.33

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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.