Home / 20,911,830,791.38-31,374,377,200.40-7,465,826,231.08

Finding the Fourth Proportional to 20,911,830,791.38, 31,374,377,200.40 and 7,465,826,231.08

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Solution

The fourth proportional to 20,911,830,791.38, 31,374,377,200.40 and 7,465,826,231.08 is: 11,201,106,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,911,830,791.38 : 31,374,377,200.40 = 7,465,826,231.08 : x
  2. Step 2: Convert to fraction form
    20,911,830,791.38/31,374,377,200.40 = 7,465,826,231.08/x
  3. Step 3: Cross multiply
    20,911,830,791.38x = 31,374,377,200.40 × 7,465,826,231.08
  4. Step 4: Simplify right side
    20,911,830,791.38x = 234,235,648,286,544,625,664
  5. Step 5: Solve for x
    x = 234,235,648,286,544,625,664/20,911,830,791.38
  6. Step 6: Final answer
    x = 11,201,106,714.34

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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.