Home / 20,016,120,911.20-27,622,668,739.31-10,983,799,996.02

Finding the Fourth Proportional to 20,016,120,911.20, 27,622,668,739.31 and 10,983,799,996.02

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Solution

The fourth proportional to 20,016,120,911.20, 27,622,668,739.31 and 10,983,799,996.02 is: 15,157,875,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016,120,911.20 : 27,622,668,739.31 = 10,983,799,996.02 : x
  2. Step 2: Convert to fraction form
    20,016,120,911.20/27,622,668,739.31 = 10,983,799,996.02/x
  3. Step 3: Cross multiply
    20,016,120,911.20x = 27,622,668,739.31 × 10,983,799,996.02
  4. Step 4: Simplify right side
    20,016,120,911.20x = 303,401,868,788,894,990,336
  5. Step 5: Solve for x
    x = 303,401,868,788,894,990,336/20,016,120,911.20
  6. Step 6: Final answer
    x = 15,157,875,501.20

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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.