Home / 13,858,279,386.78-20,779,117,642.89-4,410,842,429.82

Finding the Fourth Proportional to 13,858,279,386.78, 20,779,117,642.89 and 4,410,842,429.82

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Solution

The fourth proportional to 13,858,279,386.78, 20,779,117,642.89 and 4,410,842,429.82 is: 6,613,621,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858,279,386.78 : 20,779,117,642.89 = 4,410,842,429.82 : x
  2. Step 2: Convert to fraction form
    13,858,279,386.78/20,779,117,642.89 = 4,410,842,429.82/x
  3. Step 3: Cross multiply
    13,858,279,386.78x = 20,779,117,642.89 × 4,410,842,429.82
  4. Step 4: Simplify right side
    13,858,279,386.78x = 91,653,413,753,480,544,256
  5. Step 5: Solve for x
    x = 91,653,413,753,480,544,256/13,858,279,386.78
  6. Step 6: Final answer
    x = 6,613,621,445.74

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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.