Home / 13,873,769,818.88-19,145,816,519.65-7,530,138,959.65

Finding the Fourth Proportional to 13,873,769,818.88, 19,145,816,519.65 and 7,530,138,959.65

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Solution

The fourth proportional to 13,873,769,818.88, 19,145,816,519.65 and 7,530,138,959.65 is: 10,391,599,455.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873,769,818.88 : 19,145,816,519.65 = 7,530,138,959.65 : x
  2. Step 2: Convert to fraction form
    13,873,769,818.88/19,145,816,519.65 = 7,530,138,959.65/x
  3. Step 3: Cross multiply
    13,873,769,818.88x = 19,145,816,519.65 × 7,530,138,959.65
  4. Step 4: Simplify right side
    13,873,769,818.88x = 144,170,658,888,856,567,808
  5. Step 5: Solve for x
    x = 144,170,658,888,856,567,808/13,873,769,818.88
  6. Step 6: Final answer
    x = 10,391,599,455.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.