Home / 20,493,274,791.32-30,740,592,635.64-7,047,426,776.48

Finding the Fourth Proportional to 20,493,274,791.32, 30,740,592,635.64 and 7,047,426,776.48

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Solution

The fourth proportional to 20,493,274,791.32, 30,740,592,635.64 and 7,047,426,776.48 is: 10,571,374,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493,274,791.32 : 30,740,592,635.64 = 7,047,426,776.48 : x
  2. Step 2: Convert to fraction form
    20,493,274,791.32/30,740,592,635.64 = 7,047,426,776.48/x
  3. Step 3: Cross multiply
    20,493,274,791.32x = 30,740,592,635.64 × 7,047,426,776.48
  4. Step 4: Simplify right side
    20,493,274,791.32x = 216,642,075,665,273,225,216
  5. Step 5: Solve for x
    x = 216,642,075,665,273,225,216/20,493,274,791.32
  6. Step 6: Final answer
    x = 10,571,374,164.03

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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.