Home / 996,449,000.40-1,494,673,500.60-478,754,607.60

Finding the Fourth Proportional to 996,449,000.40, 1,494,673,500.60 and 478,754,607.60

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Solution

The fourth proportional to 996,449,000.40, 1,494,673,500.60 and 478,754,607.60 is: 718,131,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,449,000.40 : 1,494,673,500.60 = 478,754,607.60 : x
  2. Step 2: Convert to fraction form
    996,449,000.40/1,494,673,500.60 = 478,754,607.60/x
  3. Step 3: Cross multiply
    996,449,000.40x = 1,494,673,500.60 × 478,754,607.60
  4. Step 4: Simplify right side
    996,449,000.40x = 715,581,825,269,871,360
  5. Step 5: Solve for x
    x = 715,581,825,269,871,360/996,449,000.40
  6. Step 6: Final answer
    x = 718,131,911.40

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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.