Home / 487,727,899.77-673,065,168.20-264,709,584.83

Finding the Fourth Proportional to 487,727,899.77, 673,065,168.20 and 264,709,584.83

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Solution

The fourth proportional to 487,727,899.77, 673,065,168.20 and 264,709,584.83 is: 365,299,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,727,899.77 : 673,065,168.20 = 264,709,584.83 : x
  2. Step 2: Convert to fraction form
    487,727,899.77/673,065,168.20 = 264,709,584.83/x
  3. Step 3: Cross multiply
    487,727,899.77x = 673,065,168.20 × 264,709,584.83
  4. Step 4: Simplify right side
    487,727,899.77x = 178,166,801,237,756,128
  5. Step 5: Solve for x
    x = 178,166,801,237,756,128/487,727,899.77
  6. Step 6: Final answer
    x = 365,299,588.81

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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.