Home / 578,583,239.90-798,451,341.36-340,481,064.37

Finding the Fourth Proportional to 578,583,239.90, 798,451,341.36 and 340,481,064.37

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Solution

The fourth proportional to 578,583,239.90, 798,451,341.36 and 340,481,064.37 is: 469,867,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,583,239.90 : 798,451,341.36 = 340,481,064.37 : x
  2. Step 2: Convert to fraction form
    578,583,239.90/798,451,341.36 = 340,481,064.37/x
  3. Step 3: Cross multiply
    578,583,239.90x = 798,451,341.36 × 340,481,064.37
  4. Step 4: Simplify right side
    578,583,239.90x = 271,857,562,553,907,008
  5. Step 5: Solve for x
    x = 271,857,562,553,907,008/578,583,239.90
  6. Step 6: Final answer
    x = 469,867,676.43

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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.