Home / 488,174,790.90-673,291,412.64-321,082,588.92

Finding the Fourth Proportional to 488,174,790.90, 673,291,412.64 and 321,082,588.92

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Solution

The fourth proportional to 488,174,790.90, 673,291,412.64 and 321,082,588.92 is: 442,837,594.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,174,790.90 : 673,291,412.64 = 321,082,588.92 : x
  2. Step 2: Convert to fraction form
    488,174,790.90/673,291,412.64 = 321,082,588.92/x
  3. Step 3: Cross multiply
    488,174,790.90x = 673,291,412.64 × 321,082,588.92
  4. Step 4: Simplify right side
    488,174,790.90x = 216,182,149,868,055,232
  5. Step 5: Solve for x
    x = 216,182,149,868,055,232/488,174,790.90
  6. Step 6: Final answer
    x = 442,837,594.03

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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.