Home / 945,380,000.64-1,420,563,919.68-509,003,322.24

Finding the Fourth Proportional to 945,380,000.64, 1,420,563,919.68 and 509,003,322.24

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Solution

The fourth proportional to 945,380,000.64, 1,420,563,919.68 and 509,003,322.24 is: 764,847,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,380,000.64 : 1,420,563,919.68 = 509,003,322.24 : x
  2. Step 2: Convert to fraction form
    945,380,000.64/1,420,563,919.68 = 509,003,322.24/x
  3. Step 3: Cross multiply
    945,380,000.64x = 1,420,563,919.68 × 509,003,322.24
  4. Step 4: Simplify right side
    945,380,000.64x = 723,071,754,571,396,608
  5. Step 5: Solve for x
    x = 723,071,754,571,396,608/945,380,000.64
  6. Step 6: Final answer
    x = 764,847,737.50

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1.5x scale

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.