Home / 11,459,811,391.28-17,189,715,978.88-3,178,698,799.76

Finding the Fourth Proportional to 11,459,811,391.28, 17,189,715,978.88 and 3,178,698,799.76

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Solution

The fourth proportional to 11,459,811,391.28, 17,189,715,978.88 and 3,178,698,799.76 is: 4,768,047,892.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459,811,391.28 : 17,189,715,978.88 = 3,178,698,799.76 : x
  2. Step 2: Convert to fraction form
    11,459,811,391.28/17,189,715,978.88 = 3,178,698,799.76/x
  3. Step 3: Cross multiply
    11,459,811,391.28x = 17,189,715,978.88 × 3,178,698,799.76
  4. Step 4: Simplify right side
    11,459,811,391.28x = 54,640,929,550,281,154,560
  5. Step 5: Solve for x
    x = 54,640,929,550,281,154,560/11,459,811,391.28
  6. Step 6: Final answer
    x = 4,768,047,892.29

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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.