Home / 354,294,918.60-531,442,377.90-331,620,102.60

Finding the Fourth Proportional to 354,294,918.60, 531,442,377.90 and 331,620,102.60

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Solution

The fourth proportional to 354,294,918.60, 531,442,377.90 and 331,620,102.60 is: 497,430,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,918.60 : 531,442,377.90 = 331,620,102.60 : x
  2. Step 2: Convert to fraction form
    354,294,918.60/531,442,377.90 = 331,620,102.60/x
  3. Step 3: Cross multiply
    354,294,918.60x = 531,442,377.90 × 331,620,102.60
  4. Step 4: Simplify right side
    354,294,918.60x = 176,236,975,885,185,984
  5. Step 5: Solve for x
    x = 176,236,975,885,185,984/354,294,918.60
  6. Step 6: Final answer
    x = 497,430,153.90

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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.