Home / 764,613,060.90-1,146,926,228.91-247,043,556.72

Finding the Fourth Proportional to 764,613,060.90, 1,146,926,228.91 and 247,043,556.72

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Solution

The fourth proportional to 764,613,060.90, 1,146,926,228.91 and 247,043,556.72 is: 370,567,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,613,060.90 : 1,146,926,228.91 = 247,043,556.72 : x
  2. Step 2: Convert to fraction form
    764,613,060.90/1,146,926,228.91 = 247,043,556.72/x
  3. Step 3: Cross multiply
    764,613,060.90x = 1,146,926,228.91 × 247,043,556.72
  4. Step 4: Simplify right side
    764,613,060.90x = 283,340,734,885,383,296
  5. Step 5: Solve for x
    x = 283,340,734,885,383,296/764,613,060.90
  6. Step 6: Final answer
    x = 370,567,479.65

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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.