Home / 340,653,962.88-470,102,006.88-193,976,246.88

Finding the Fourth Proportional to 340,653,962.88, 470,102,006.88 and 193,976,246.88

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Solution

The fourth proportional to 340,653,962.88, 470,102,006.88 and 193,976,246.88 is: 267,686,957.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,653,962.88 : 470,102,006.88 = 193,976,246.88 : x
  2. Step 2: Convert to fraction form
    340,653,962.88/470,102,006.88 = 193,976,246.88/x
  3. Step 3: Cross multiply
    340,653,962.88x = 470,102,006.88 × 193,976,246.88
  4. Step 4: Simplify right side
    340,653,962.88x = 91,188,622,945,338,336
  5. Step 5: Solve for x
    x = 91,188,622,945,338,336/340,653,962.88
  6. Step 6: Final answer
    x = 267,686,957.68

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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.