Home / 30,766,824,018.88-42,458,217,137.76-16,685,763,282.88

Finding the Fourth Proportional to 30,766,824,018.88, 42,458,217,137.76 and 16,685,763,282.88

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Solution

The fourth proportional to 30,766,824,018.88, 42,458,217,137.76 and 16,685,763,282.88 is: 23,026,353,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,766,824,018.88 : 42,458,217,137.76 = 16,685,763,282.88 : x
  2. Step 2: Convert to fraction form
    30,766,824,018.88/42,458,217,137.76 = 16,685,763,282.88/x
  3. Step 3: Cross multiply
    30,766,824,018.88x = 42,458,217,137.76 × 16,685,763,282.88
  4. Step 4: Simplify right side
    30,766,824,018.88x = 708,447,760,573,782,163,456
  5. Step 5: Solve for x
    x = 708,447,760,573,782,163,456/30,766,824,018.88
  6. Step 6: Final answer
    x = 23,026,353,325.88

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Double scale
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1.5x scale

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.