Home / 488,077,746.12-673,645,051.17-289,949,307.82

Finding the Fourth Proportional to 488,077,746.12, 673,645,051.17 and 289,949,307.82

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Solution

The fourth proportional to 488,077,746.12, 673,645,051.17 and 289,949,307.82 is: 400,188,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,077,746.12 : 673,645,051.17 = 289,949,307.82 : x
  2. Step 2: Convert to fraction form
    488,077,746.12/673,645,051.17 = 289,949,307.82/x
  3. Step 3: Cross multiply
    488,077,746.12x = 673,645,051.17 × 289,949,307.82
  4. Step 4: Simplify right side
    488,077,746.12x = 195,322,916,301,425,856
  5. Step 5: Solve for x
    x = 195,322,916,301,425,856/488,077,746.12
  6. Step 6: Final answer
    x = 400,188,121.37

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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.