Home / 19,315,665,580.40-28,973,498,370.60-13,704,404,447.60

Finding the Fourth Proportional to 19,315,665,580.40, 28,973,498,370.60 and 13,704,404,447.60

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Solution

The fourth proportional to 19,315,665,580.40, 28,973,498,370.60 and 13,704,404,447.60 is: 20,556,606,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,665,580.40 : 28,973,498,370.60 = 13,704,404,447.60 : x
  2. Step 2: Convert to fraction form
    19,315,665,580.40/28,973,498,370.60 = 13,704,404,447.60/x
  3. Step 3: Cross multiply
    19,315,665,580.40x = 28,973,498,370.60 × 13,704,404,447.60
  4. Step 4: Simplify right side
    19,315,665,580.40x = 397,064,539,932,581,953,536
  5. Step 5: Solve for x
    x = 397,064,539,932,581,953,536/19,315,665,580.40
  6. Step 6: Final answer
    x = 20,556,606,671.40

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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.