Home / 320,354,702.65-442,106,654.77-179,217,503.64

Finding the Fourth Proportional to 320,354,702.65, 442,106,654.77 and 179,217,503.64

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Solution

The fourth proportional to 320,354,702.65, 442,106,654.77 and 179,217,503.64 is: 247,329,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,354,702.65 : 442,106,654.77 = 179,217,503.64 : x
  2. Step 2: Convert to fraction form
    320,354,702.65/442,106,654.77 = 179,217,503.64/x
  3. Step 3: Cross multiply
    320,354,702.65x = 442,106,654.77 × 179,217,503.64
  4. Step 4: Simplify right side
    320,354,702.65x = 79,233,251,009,378,848
  5. Step 5: Solve for x
    x = 79,233,251,009,378,848/320,354,702.65
  6. Step 6: Final answer
    x = 247,329,757.77

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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.