Home / 890,214,398.60-1,334,379,141.60-299,442,236.72

Finding the Fourth Proportional to 890,214,398.60, 1,334,379,141.60 and 299,442,236.72

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Solution

The fourth proportional to 890,214,398.60, 1,334,379,141.60 and 299,442,236.72 is: 448,846,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,214,398.60 : 1,334,379,141.60 = 299,442,236.72 : x
  2. Step 2: Convert to fraction form
    890,214,398.60/1,334,379,141.60 = 299,442,236.72/x
  3. Step 3: Cross multiply
    890,214,398.60x = 1,334,379,141.60 × 299,442,236.72
  4. Step 4: Simplify right side
    890,214,398.60x = 399,569,474,793,217,600
  5. Step 5: Solve for x
    x = 399,569,474,793,217,600/890,214,398.60
  6. Step 6: Final answer
    x = 448,846,340.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.