Home / 403,393,464.82-556,668,284.49-224,768,123.90

Finding the Fourth Proportional to 403,393,464.82, 556,668,284.49 and 224,768,123.90

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Solution

The fourth proportional to 403,393,464.82, 556,668,284.49 and 224,768,123.90 is: 310,171,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,393,464.82 : 556,668,284.49 = 224,768,123.90 : x
  2. Step 2: Convert to fraction form
    403,393,464.82/556,668,284.49 = 224,768,123.90/x
  3. Step 3: Cross multiply
    403,393,464.82x = 556,668,284.49 × 224,768,123.90
  4. Step 4: Simplify right side
    403,393,464.82x = 125,121,285,936,665,440
  5. Step 5: Solve for x
    x = 125,121,285,936,665,440/403,393,464.82
  6. Step 6: Final answer
    x = 310,171,821.93

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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.