Home / 757,997,999.10-1,136,996,998.65-413,624,231.10

Finding the Fourth Proportional to 757,997,999.10, 1,136,996,998.65 and 413,624,231.10

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Solution

The fourth proportional to 757,997,999.10, 1,136,996,998.65 and 413,624,231.10 is: 620,436,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,997,999.10 : 1,136,996,998.65 = 413,624,231.10 : x
  2. Step 2: Convert to fraction form
    757,997,999.10/1,136,996,998.65 = 413,624,231.10/x
  3. Step 3: Cross multiply
    757,997,999.10x = 1,136,996,998.65 × 413,624,231.10
  4. Step 4: Simplify right side
    757,997,999.10x = 470,289,509,329,614,080
  5. Step 5: Solve for x
    x = 470,289,509,329,614,080/757,997,999.10
  6. Step 6: Final answer
    x = 620,436,346.65

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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.