Home / 409,293,465,976.54-564,787,078,416.21-226,386,630,955.06

Finding the Fourth Proportional to 409,293,465,976.54, 564,787,078,416.21 and 226,386,630,955.06

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Solution

The fourth proportional to 409,293,465,976.54, 564,787,078,416.21 and 226,386,630,955.06 is: 312,392,585,072.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,293,465,976.54 : 564,787,078,416.21 = 226,386,630,955.06 : x
  2. Step 2: Convert to fraction form
    409,293,465,976.54/564,787,078,416.21 = 226,386,630,955.06/x
  3. Step 3: Cross multiply
    409,293,465,976.54x = 564,787,078,416.21 × 226,386,630,955.06
  4. Step 4: Simplify right side
    409,293,465,976.54x = 127,860,243,889,597,051,830,272
  5. Step 5: Solve for x
    x = 127,860,243,889,597,051,830,272/409,293,465,976.54
  6. Step 6: Final answer
    x = 312,392,585,072.26

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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.