Home / 340,943,868.20-470,630,484.42-223,476,763.88

Finding the Fourth Proportional to 340,943,868.20, 470,630,484.42 and 223,476,763.88

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Solution

The fourth proportional to 340,943,868.20, 470,630,484.42 and 223,476,763.88 is: 308,481,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,943,868.20 : 470,630,484.42 = 223,476,763.88 : x
  2. Step 2: Convert to fraction form
    340,943,868.20/470,630,484.42 = 223,476,763.88/x
  3. Step 3: Cross multiply
    340,943,868.20x = 470,630,484.42 × 223,476,763.88
  4. Step 4: Simplify right side
    340,943,868.20x = 105,174,977,641,458,368
  5. Step 5: Solve for x
    x = 105,174,977,641,458,368/340,943,868.20
  6. Step 6: Final answer
    x = 308,481,798.48

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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.