Home / 384,372,001.20-576,558,001.80-380,788,820.40

Finding the Fourth Proportional to 384,372,001.20, 576,558,001.80 and 380,788,820.40

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Solution

The fourth proportional to 384,372,001.20, 576,558,001.80 and 380,788,820.40 is: 571,183,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,372,001.20 : 576,558,001.80 = 380,788,820.40 : x
  2. Step 2: Convert to fraction form
    384,372,001.20/576,558,001.80 = 380,788,820.40/x
  3. Step 3: Cross multiply
    384,372,001.20x = 576,558,001.80 × 380,788,820.40
  4. Step 4: Simplify right side
    384,372,001.20x = 219,546,841,397,603,040
  5. Step 5: Solve for x
    x = 219,546,841,397,603,040/384,372,001.20
  6. Step 6: Final answer
    x = 571,183,230.60

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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.