Home / 756,024,319.58-1,043,309,834.25-438,548,773.49

Finding the Fourth Proportional to 756,024,319.58, 1,043,309,834.25 and 438,548,773.49

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Solution

The fourth proportional to 756,024,319.58, 1,043,309,834.25 and 438,548,773.49 is: 605,195,145.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,024,319.58 : 1,043,309,834.25 = 438,548,773.49 : x
  2. Step 2: Convert to fraction form
    756,024,319.58/1,043,309,834.25 = 438,548,773.49/x
  3. Step 3: Cross multiply
    756,024,319.58x = 1,043,309,834.25 × 438,548,773.49
  4. Step 4: Simplify right side
    756,024,319.58x = 457,542,248,175,176,128
  5. Step 5: Solve for x
    x = 457,542,248,175,176,128/756,024,319.58
  6. Step 6: Final answer
    x = 605,195,145.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.