Home / 20,701,697,095.20-31,031,382,481.20-10,204,768,941.60

Finding the Fourth Proportional to 20,701,697,095.20, 31,031,382,481.20 and 10,204,768,941.60

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Solution

The fourth proportional to 20,701,697,095.20, 31,031,382,481.20 and 10,204,768,941.60 is: 15,296,721,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701,697,095.20 : 31,031,382,481.20 = 10,204,768,941.60 : x
  2. Step 2: Convert to fraction form
    20,701,697,095.20/31,031,382,481.20 = 10,204,768,941.60/x
  3. Step 3: Cross multiply
    20,701,697,095.20x = 31,031,382,481.20 × 10,204,768,941.60
  4. Step 4: Simplify right side
    20,701,697,095.20x = 316,668,088,159,060,099,072
  5. Step 5: Solve for x
    x = 316,668,088,159,060,099,072/20,701,697,095.20
  6. Step 6: Final answer
    x = 15,296,721,167.49

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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.