Home / 996,656,137.40-1,494,984,206.10-478,961,744.60

Finding the Fourth Proportional to 996,656,137.40, 1,494,984,206.10 and 478,961,744.60

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Solution

The fourth proportional to 996,656,137.40, 1,494,984,206.10 and 478,961,744.60 is: 718,442,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,656,137.40 : 1,494,984,206.10 = 478,961,744.60 : x
  2. Step 2: Convert to fraction form
    996,656,137.40/1,494,984,206.10 = 478,961,744.60/x
  3. Step 3: Cross multiply
    996,656,137.40x = 1,494,984,206.10 × 478,961,744.60
  4. Step 4: Simplify right side
    996,656,137.40x = 716,040,243,503,101,952
  5. Step 5: Solve for x
    x = 716,040,243,503,101,952/996,656,137.40
  6. Step 6: Final answer
    x = 718,442,616.90

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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.