Home / 1,091,263,024.48-1,638,059,791.92-469,785,860.32

Finding the Fourth Proportional to 1,091,263,024.48, 1,638,059,791.92 and 469,785,860.32

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Solution

The fourth proportional to 1,091,263,024.48, 1,638,059,791.92 and 469,785,860.32 is: 705,180,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,263,024.48 : 1,638,059,791.92 = 469,785,860.32 : x
  2. Step 2: Convert to fraction form
    1,091,263,024.48/1,638,059,791.92 = 469,785,860.32/x
  3. Step 3: Cross multiply
    1,091,263,024.48x = 1,638,059,791.92 × 469,785,860.32
  4. Step 4: Simplify right side
    1,091,263,024.48x = 769,537,328,602,737,408
  5. Step 5: Solve for x
    x = 769,537,328,602,737,408/1,091,263,024.48
  6. Step 6: Final answer
    x = 705,180,429.78

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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.