Home / 550,685,450.70-825,785,779.91-291,840,025.77

Finding the Fourth Proportional to 550,685,450.70, 825,785,779.91 and 291,840,025.77

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Solution

The fourth proportional to 550,685,450.70, 825,785,779.91 and 291,840,025.77 is: 437,631,578.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,685,450.70 : 825,785,779.91 = 291,840,025.77 : x
  2. Step 2: Convert to fraction form
    550,685,450.70/825,785,779.91 = 291,840,025.77/x
  3. Step 3: Cross multiply
    550,685,450.70x = 825,785,779.91 × 291,840,025.77
  4. Step 4: Simplify right side
    550,685,450.70x = 240,997,343,287,974,720
  5. Step 5: Solve for x
    x = 240,997,343,287,974,720/550,685,450.70
  6. Step 6: Final answer
    x = 437,631,578.94

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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.