Home / 27,228,907,730.78-40,788,662,718.20-13,558,563,698.60

Finding the Fourth Proportional to 27,228,907,730.78, 40,788,662,718.20 and 13,558,563,698.60

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Solution

The fourth proportional to 27,228,907,730.78, 40,788,662,718.20 and 13,558,563,698.60 is: 20,310,608,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228,907,730.78 : 40,788,662,718.20 = 13,558,563,698.60 : x
  2. Step 2: Convert to fraction form
    27,228,907,730.78/40,788,662,718.20 = 13,558,563,698.60/x
  3. Step 3: Cross multiply
    27,228,907,730.78x = 40,788,662,718.20 × 13,558,563,698.60
  4. Step 4: Simplify right side
    27,228,907,730.78x = 553,035,681,645,425,721,344
  5. Step 5: Solve for x
    x = 553,035,681,645,425,721,344/27,228,907,730.78
  6. Step 6: Final answer
    x = 20,310,608,384.05

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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.