Home / 13,131,389,987.35-19,698,295,849.08-4,288,275,186.76

Finding the Fourth Proportional to 13,131,389,987.35, 19,698,295,849.08 and 4,288,275,186.76

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Solution

The fourth proportional to 13,131,389,987.35, 19,698,295,849.08 and 4,288,275,186.76 is: 6,432,808,209.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131,389,987.35 : 19,698,295,849.08 = 4,288,275,186.76 : x
  2. Step 2: Convert to fraction form
    13,131,389,987.35/19,698,295,849.08 = 4,288,275,186.76/x
  3. Step 3: Cross multiply
    13,131,389,987.35x = 19,698,295,849.08 × 4,288,275,186.76
  4. Step 4: Simplify right side
    13,131,389,987.35x = 84,471,713,311,067,275,264
  5. Step 5: Solve for x
    x = 84,471,713,311,067,275,264/13,131,389,987.35
  6. Step 6: Final answer
    x = 6,432,808,209.37

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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.