Home / 15,961,886,381.44-22,028,170,952.64-8,825,168,137.60

Finding the Fourth Proportional to 15,961,886,381.44, 22,028,170,952.64 and 8,825,168,137.60

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Solution

The fourth proportional to 15,961,886,381.44, 22,028,170,952.64 and 8,825,168,137.60 is: 12,179,156,509.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961,886,381.44 : 22,028,170,952.64 = 8,825,168,137.60 : x
  2. Step 2: Convert to fraction form
    15,961,886,381.44/22,028,170,952.64 = 8,825,168,137.60/x
  3. Step 3: Cross multiply
    15,961,886,381.44x = 22,028,170,952.64 × 8,825,168,137.60
  4. Step 4: Simplify right side
    15,961,886,381.44x = 194,402,312,420,844,371,968
  5. Step 5: Solve for x
    x = 194,402,312,420,844,371,968/15,961,886,381.44
  6. Step 6: Final answer
    x = 12,179,156,509.15

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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.