Home / 27,960,087,047.81-38,584,918,650.27-15,099,725,769.51

Finding the Fourth Proportional to 27,960,087,047.81, 38,584,918,650.27 and 15,099,725,769.51

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Solution

The fourth proportional to 27,960,087,047.81, 38,584,918,650.27 and 15,099,725,769.51 is: 20,837,620,764.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960,087,047.81 : 38,584,918,650.27 = 15,099,725,769.51 : x
  2. Step 2: Convert to fraction form
    27,960,087,047.81/38,584,918,650.27 = 15,099,725,769.51/x
  3. Step 3: Cross multiply
    27,960,087,047.81x = 38,584,918,650.27 × 15,099,725,769.51
  4. Step 4: Simplify right side
    27,960,087,047.81x = 582,621,690,457,928,892,416
  5. Step 5: Solve for x
    x = 582,621,690,457,928,892,416/27,960,087,047.81
  6. Step 6: Final answer
    x = 20,837,620,764.98

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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.