Home / 488,174,639.31-673,291,203.03-321,082,437.42

Finding the Fourth Proportional to 488,174,639.31, 673,291,203.03 and 321,082,437.42

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Solution

The fourth proportional to 488,174,639.31, 673,291,203.03 and 321,082,437.42 is: 442,837,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,174,639.31 : 673,291,203.03 = 321,082,437.42 : x
  2. Step 2: Convert to fraction form
    488,174,639.31/673,291,203.03 = 321,082,437.42/x
  3. Step 3: Cross multiply
    488,174,639.31x = 673,291,203.03 × 321,082,437.42
  4. Step 4: Simplify right side
    488,174,639.31x = 216,181,980,562,316,480
  5. Step 5: Solve for x
    x = 216,181,980,562,316,480/488,174,639.31
  6. Step 6: Final answer
    x = 442,837,384.73

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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.