Home / 13,686,485,922.32-20,538,364,799.73-5,825,885,404.28

Finding the Fourth Proportional to 13,686,485,922.32, 20,538,364,799.73 and 5,825,885,404.28

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Solution

The fourth proportional to 13,686,485,922.32, 20,538,364,799.73 and 5,825,885,404.28 is: 8,742,504,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,686,485,922.32 : 20,538,364,799.73 = 5,825,885,404.28 : x
  2. Step 2: Convert to fraction form
    13,686,485,922.32/20,538,364,799.73 = 5,825,885,404.28/x
  3. Step 3: Cross multiply
    13,686,485,922.32x = 20,538,364,799.73 × 5,825,885,404.28
  4. Step 4: Simplify right side
    13,686,485,922.32x = 119,654,159,714,525,118,464
  5. Step 5: Solve for x
    x = 119,654,159,714,525,118,464/13,686,485,922.32
  6. Step 6: Final answer
    x = 8,742,504,130.98

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1.5x scale

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.