Home / 641,790,092.01-886,501,128.73-530,729,551.83

Finding the Fourth Proportional to 641,790,092.01, 886,501,128.73 and 530,729,551.83

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Solution

The fourth proportional to 641,790,092.01, 886,501,128.73 and 530,729,551.83 is: 733,093,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,790,092.01 : 886,501,128.73 = 530,729,551.83 : x
  2. Step 2: Convert to fraction form
    641,790,092.01/886,501,128.73 = 530,729,551.83/x
  3. Step 3: Cross multiply
    641,790,092.01x = 886,501,128.73 × 530,729,551.83
  4. Step 4: Simplify right side
    641,790,092.01x = 470,492,346,744,118,912
  5. Step 5: Solve for x
    x = 470,492,346,744,118,912/641,790,092.01
  6. Step 6: Final answer
    x = 733,093,814.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.