Home / 19,315,665,561.90-28,973,498,342.85-13,704,404,429.10

Finding the Fourth Proportional to 19,315,665,561.90, 28,973,498,342.85 and 13,704,404,429.10

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Solution

The fourth proportional to 19,315,665,561.90, 28,973,498,342.85 and 13,704,404,429.10 is: 20,556,606,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,665,561.90 : 28,973,498,342.85 = 13,704,404,429.10 : x
  2. Step 2: Convert to fraction form
    19,315,665,561.90/28,973,498,342.85 = 13,704,404,429.10/x
  3. Step 3: Cross multiply
    19,315,665,561.90x = 28,973,498,342.85 × 13,704,404,429.10
  4. Step 4: Simplify right side
    19,315,665,561.90x = 397,064,539,016,275,034,112
  5. Step 5: Solve for x
    x = 397,064,539,016,275,034,112/19,315,665,561.90
  6. Step 6: Final answer
    x = 20,556,606,643.65

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Double scale
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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.