Home / 11,868,732,691.60-17,799,319,221.72-3,899,051,009.68

Finding the Fourth Proportional to 11,868,732,691.60, 17,799,319,221.72 and 3,899,051,009.68

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Solution

The fourth proportional to 11,868,732,691.60, 17,799,319,221.72 and 3,899,051,009.68 is: 5,847,334,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868,732,691.60 : 17,799,319,221.72 = 3,899,051,009.68 : x
  2. Step 2: Convert to fraction form
    11,868,732,691.60/17,799,319,221.72 = 3,899,051,009.68/x
  3. Step 3: Cross multiply
    11,868,732,691.60x = 17,799,319,221.72 × 3,899,051,009.68
  4. Step 4: Simplify right side
    11,868,732,691.60x = 69,400,453,583,063,998,464
  5. Step 5: Solve for x
    x = 69,400,453,583,063,998,464/11,868,732,691.60
  6. Step 6: Final answer
    x = 5,847,334,790.19

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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.