Home / 764,004,002.80-1,146,006,004.20-272,952,518.80

Finding the Fourth Proportional to 764,004,002.80, 1,146,006,004.20 and 272,952,518.80

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Solution

The fourth proportional to 764,004,002.80, 1,146,006,004.20 and 272,952,518.80 is: 409,428,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,004,002.80 : 1,146,006,004.20 = 272,952,518.80 : x
  2. Step 2: Convert to fraction form
    764,004,002.80/1,146,006,004.20 = 272,952,518.80/x
  3. Step 3: Cross multiply
    764,004,002.80x = 1,146,006,004.20 × 272,952,518.80
  4. Step 4: Simplify right side
    764,004,002.80x = 312,805,225,406,313,408
  5. Step 5: Solve for x
    x = 312,805,225,406,313,408/764,004,002.80
  6. Step 6: Final answer
    x = 409,428,778.20

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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.