Home / 764,952,401.10-1,147,428,601.65-247,754,019.90

Finding the Fourth Proportional to 764,952,401.10, 1,147,428,601.65 and 247,754,019.90

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Solution

The fourth proportional to 764,952,401.10, 1,147,428,601.65 and 247,754,019.90 is: 371,631,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,952,401.10 : 1,147,428,601.65 = 247,754,019.90 : x
  2. Step 2: Convert to fraction form
    764,952,401.10/1,147,428,601.65 = 247,754,019.90/x
  3. Step 3: Cross multiply
    764,952,401.10x = 1,147,428,601.65 × 247,754,019.90
  4. Step 4: Simplify right side
    764,952,401.10x = 284,280,048,607,023,296
  5. Step 5: Solve for x
    x = 284,280,048,607,023,296/764,952,401.10
  6. Step 6: Final answer
    x = 371,631,029.85

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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.