Home / 19,315,665,595.40-28,973,498,393.10-13,704,404,462.60

Finding the Fourth Proportional to 19,315,665,595.40, 28,973,498,393.10 and 13,704,404,462.60

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Solution

The fourth proportional to 19,315,665,595.40, 28,973,498,393.10 and 13,704,404,462.60 is: 20,556,606,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,665,595.40 : 28,973,498,393.10 = 13,704,404,462.60 : x
  2. Step 2: Convert to fraction form
    19,315,665,595.40/28,973,498,393.10 = 13,704,404,462.60/x
  3. Step 3: Cross multiply
    19,315,665,595.40x = 28,973,498,393.10 × 13,704,404,462.60
  4. Step 4: Simplify right side
    19,315,665,595.40x = 397,064,540,675,533,570,048
  5. Step 5: Solve for x
    x = 397,064,540,675,533,570,048/19,315,665,595.40
  6. Step 6: Final answer
    x = 20,556,606,693.90

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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.