Home / 20,701,697,107.20-31,031,382,499.20-10,204,768,953.60

Finding the Fourth Proportional to 20,701,697,107.20, 31,031,382,499.20 and 10,204,768,953.60

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Solution

The fourth proportional to 20,701,697,107.20, 31,031,382,499.20 and 10,204,768,953.60 is: 15,296,721,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701,697,107.20 : 31,031,382,499.20 = 10,204,768,953.60 : x
  2. Step 2: Convert to fraction form
    20,701,697,107.20/31,031,382,499.20 = 10,204,768,953.60/x
  3. Step 3: Cross multiply
    20,701,697,107.20x = 31,031,382,499.20 × 10,204,768,953.60
  4. Step 4: Simplify right side
    20,701,697,107.20x = 316,668,088,715,122,573,312
  5. Step 5: Solve for x
    x = 316,668,088,715,122,573,312/20,701,697,107.20
  6. Step 6: Final answer
    x = 15,296,721,185.48

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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.