Home / 523,347,797.10-722,210,606.76-285,195,050.54

Finding the Fourth Proportional to 523,347,797.10, 722,210,606.76 and 285,195,050.54

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Solution

The fourth proportional to 523,347,797.10, 722,210,606.76 and 285,195,050.54 is: 393,564,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,347,797.10 : 722,210,606.76 = 285,195,050.54 : x
  2. Step 2: Convert to fraction form
    523,347,797.10/722,210,606.76 = 285,195,050.54/x
  3. Step 3: Cross multiply
    523,347,797.10x = 722,210,606.76 × 285,195,050.54
  4. Step 4: Simplify right side
    523,347,797.10x = 205,970,890,495,442,272
  5. Step 5: Solve for x
    x = 205,970,890,495,442,272/523,347,797.10
  6. Step 6: Final answer
    x = 393,564,072.76

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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.