Home / 677,595,768.96-1,015,947,621.12-446,861,320.32

Finding the Fourth Proportional to 677,595,768.96, 1,015,947,621.12 and 446,861,320.32

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Solution

The fourth proportional to 677,595,768.96, 1,015,947,621.12 and 446,861,320.32 is: 669,997,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,595,768.96 : 1,015,947,621.12 = 446,861,320.32 : x
  2. Step 2: Convert to fraction form
    677,595,768.96/1,015,947,621.12 = 446,861,320.32/x
  3. Step 3: Cross multiply
    677,595,768.96x = 1,015,947,621.12 × 446,861,320.32
  4. Step 4: Simplify right side
    677,595,768.96x = 453,987,695,349,646,336
  5. Step 5: Solve for x
    x = 453,987,695,349,646,336/677,595,768.96
  6. Step 6: Final answer
    x = 669,997,830.78

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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.