Home / 488,174,798.92-673,291,423.68-321,082,596.92

Finding the Fourth Proportional to 488,174,798.92, 673,291,423.68 and 321,082,596.92

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Solution

The fourth proportional to 488,174,798.92, 673,291,423.68 and 321,082,596.92 is: 442,837,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,174,798.92 : 673,291,423.68 = 321,082,596.92 : x
  2. Step 2: Convert to fraction form
    488,174,798.92/673,291,423.68 = 321,082,596.92/x
  3. Step 3: Cross multiply
    488,174,798.92x = 673,291,423.68 × 321,082,596.92
  4. Step 4: Simplify right side
    488,174,798.92x = 216,182,158,799,138,368
  5. Step 5: Solve for x
    x = 216,182,158,799,138,368/488,174,798.92
  6. Step 6: Final answer
    x = 442,837,605.05

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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.