Home / 358,312,445.80-494,371,253.52-231,099,296.20

Finding the Fourth Proportional to 358,312,445.80, 494,371,253.52 and 231,099,296.20

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Solution

The fourth proportional to 358,312,445.80, 494,371,253.52 and 231,099,296.20 is: 318,852,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,312,445.80 : 494,371,253.52 = 231,099,296.20 : x
  2. Step 2: Convert to fraction form
    358,312,445.80/494,371,253.52 = 231,099,296.20/x
  3. Step 3: Cross multiply
    358,312,445.80x = 494,371,253.52 × 231,099,296.20
  4. Step 4: Simplify right side
    358,312,445.80x = 114,248,848,749,983,760
  5. Step 5: Solve for x
    x = 114,248,848,749,983,760/358,312,445.80
  6. Step 6: Final answer
    x = 318,852,582.68

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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.