Home / 764,700,004.40-1,147,050,006.60-219,496,650.80

Finding the Fourth Proportional to 764,700,004.40, 1,147,050,006.60 and 219,496,650.80

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Solution

The fourth proportional to 764,700,004.40, 1,147,050,006.60 and 219,496,650.80 is: 329,244,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,700,004.40 : 1,147,050,006.60 = 219,496,650.80 : x
  2. Step 2: Convert to fraction form
    764,700,004.40/1,147,050,006.60 = 219,496,650.80/x
  3. Step 3: Cross multiply
    764,700,004.40x = 1,147,050,006.60 × 219,496,650.80
  4. Step 4: Simplify right side
    764,700,004.40x = 251,773,634,748,817,888
  5. Step 5: Solve for x
    x = 251,773,634,748,817,888/764,700,004.40
  6. Step 6: Final answer
    x = 329,244,976.20

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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.