Home / 20,949,326,174.56-31,429,884,714-9,159,480,012.64

Finding the Fourth Proportional to 20,949,326,174.56, 31,429,884,714 and 9,159,480,012.64

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Solution

The fourth proportional to 20,949,326,174.56, 31,429,884,714 and 9,159,480,012.64 is: 13,741,797,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,949,326,174.56 : 31,429,884,714 = 9,159,480,012.64 : x
  2. Step 2: Convert to fraction form
    20,949,326,174.56/31,429,884,714 = 9,159,480,012.64/x
  3. Step 3: Cross multiply
    20,949,326,174.56x = 31,429,884,714 × 9,159,480,012.64
  4. Step 4: Simplify right side
    20,949,326,174.56x = 287,881,400,837,462,458,368
  5. Step 5: Solve for x
    x = 287,881,400,837,462,458,368/20,949,326,174.56
  6. Step 6: Final answer
    x = 13,741,797,632.95

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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.