Home / 498,009,905.40-747,014,858.10-291,385,644.60

Finding the Fourth Proportional to 498,009,905.40, 747,014,858.10 and 291,385,644.60

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Solution

The fourth proportional to 498,009,905.40, 747,014,858.10 and 291,385,644.60 is: 437,078,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,009,905.40 : 747,014,858.10 = 291,385,644.60 : x
  2. Step 2: Convert to fraction form
    498,009,905.40/747,014,858.10 = 291,385,644.60/x
  3. Step 3: Cross multiply
    498,009,905.40x = 747,014,858.10 × 291,385,644.60
  4. Step 4: Simplify right side
    498,009,905.40x = 217,669,405,953,246,048
  5. Step 5: Solve for x
    x = 217,669,405,953,246,048/498,009,905.40
  6. Step 6: Final answer
    x = 437,078,466.90

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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.