Home / 741,800,234.69-1,023,686,338.26-407,294,423.45

Finding the Fourth Proportional to 741,800,234.69, 1,023,686,338.26 and 407,294,423.45

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Solution

The fourth proportional to 741,800,234.69, 1,023,686,338.26 and 407,294,423.45 is: 562,067,410.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,800,234.69 : 1,023,686,338.26 = 407,294,423.45 : x
  2. Step 2: Convert to fraction form
    741,800,234.69/1,023,686,338.26 = 407,294,423.45/x
  3. Step 3: Cross multiply
    741,800,234.69x = 1,023,686,338.26 × 407,294,423.45
  4. Step 4: Simplify right side
    741,800,234.69x = 416,941,736,930,129,920
  5. Step 5: Solve for x
    x = 416,941,736,930,129,920/741,800,234.69
  6. Step 6: Final answer
    x = 562,067,410.38

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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.