Home / 412,992,034.05-619,488,051.08-289,372,296.45

Finding the Fourth Proportional to 412,992,034.05, 619,488,051.08 and 289,372,296.45

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Solution

The fourth proportional to 412,992,034.05, 619,488,051.08 and 289,372,296.45 is: 434,058,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,992,034.05 : 619,488,051.08 = 289,372,296.45 : x
  2. Step 2: Convert to fraction form
    412,992,034.05/619,488,051.08 = 289,372,296.45/x
  3. Step 3: Cross multiply
    412,992,034.05x = 619,488,051.08 × 289,372,296.45
  4. Step 4: Simplify right side
    412,992,034.05x = 179,262,679,962,907,648
  5. Step 5: Solve for x
    x = 179,262,679,962,907,648/412,992,034.05
  6. Step 6: Final answer
    x = 434,058,444.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.