Home / 488,516,474.15-674,157,941.62-265,498,171.92

Finding the Fourth Proportional to 488,516,474.15, 674,157,941.62 and 265,498,171.92

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Solution

The fourth proportional to 488,516,474.15, 674,157,941.62 and 265,498,171.92 is: 366,390,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,516,474.15 : 674,157,941.62 = 265,498,171.92 : x
  2. Step 2: Convert to fraction form
    488,516,474.15/674,157,941.62 = 265,498,171.92/x
  3. Step 3: Cross multiply
    488,516,474.15x = 674,157,941.62 × 265,498,171.92
  4. Step 4: Simplify right side
    488,516,474.15x = 178,987,701,082,037,056
  5. Step 5: Solve for x
    x = 178,987,701,082,037,056/488,516,474.15
  6. Step 6: Final answer
    x = 366,390,307.29

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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.