Home / 999,558,777.06-1,379,373,819.21-553,513,299.30

Finding the Fourth Proportional to 999,558,777.06, 1,379,373,819.21 and 553,513,299.30

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Solution

The fourth proportional to 999,558,777.06, 1,379,373,819.21 and 553,513,299.30 is: 763,838,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,558,777.06 : 1,379,373,819.21 = 553,513,299.30 : x
  2. Step 2: Convert to fraction form
    999,558,777.06/1,379,373,819.21 = 553,513,299.30/x
  3. Step 3: Cross multiply
    999,558,777.06x = 1,379,373,819.21 × 553,513,299.30
  4. Step 4: Simplify right side
    999,558,777.06x = 763,501,753,638,968,832
  5. Step 5: Solve for x
    x = 763,501,753,638,968,832/999,558,777.06
  6. Step 6: Final answer
    x = 763,838,776.83

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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.