Home / 80,238,678,821.70-120,391,010,126.85-35,446,535,516.58

Finding the Fourth Proportional to 80,238,678,821.70, 120,391,010,126.85 and 35,446,535,516.58

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Solution

The fourth proportional to 80,238,678,821.70, 120,391,010,126.85 and 35,446,535,516.58 is: 53,184,377,896.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,238,678,821.70 : 120,391,010,126.85 = 35,446,535,516.58 : x
  2. Step 2: Convert to fraction form
    80,238,678,821.70/120,391,010,126.85 = 35,446,535,516.58/x
  3. Step 3: Cross multiply
    80,238,678,821.70x = 120,391,010,126.85 × 35,446,535,516.58
  4. Step 4: Simplify right side
    80,238,678,821.70x = 4,267,444,216,338,331,467,776
  5. Step 5: Solve for x
    x = 4,267,444,216,338,331,467,776/80,238,678,821.70
  6. Step 6: Final answer
    x = 53,184,377,896.12

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1.5x scale

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.