Home / 27,808,485,290.28-38,375,909,336.07-15,121,130,042.07

Finding the Fourth Proportional to 27,808,485,290.28, 38,375,909,336.07 and 15,121,130,042.07

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Solution

The fourth proportional to 27,808,485,290.28, 38,375,909,336.07 and 15,121,130,042.07 is: 20,867,268,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808,485,290.28 : 38,375,909,336.07 = 15,121,130,042.07 : x
  2. Step 2: Convert to fraction form
    27,808,485,290.28/38,375,909,336.07 = 15,121,130,042.07/x
  3. Step 3: Cross multiply
    27,808,485,290.28x = 38,375,909,336.07 × 15,121,130,042.07
  4. Step 4: Simplify right side
    27,808,485,290.28x = 580,287,115,553,402,650,624
  5. Step 5: Solve for x
    x = 580,287,115,553,402,650,624/27,808,485,290.28
  6. Step 6: Final answer
    x = 20,867,268,011.76

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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.