Home / 384,391,023.12-576,684,818.64-111,761,790.12

Finding the Fourth Proportional to 384,391,023.12, 576,684,818.64 and 111,761,790.12

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Solution

The fourth proportional to 384,391,023.12, 576,684,818.64 and 111,761,790.12 is: 167,671,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,391,023.12 : 576,684,818.64 = 111,761,790.12 : x
  2. Step 2: Convert to fraction form
    384,391,023.12/576,684,818.64 = 111,761,790.12/x
  3. Step 3: Cross multiply
    384,391,023.12x = 576,684,818.64 × 111,761,790.12
  4. Step 4: Simplify right side
    384,391,023.12x = 64,451,327,666,233,944
  5. Step 5: Solve for x
    x = 64,451,327,666,233,944/384,391,023.12
  6. Step 6: Final answer
    x = 167,671,261.27

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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.