Home / 403,705,207.60-605,557,811.40-331,960,672.60

Finding the Fourth Proportional to 403,705,207.60, 605,557,811.40 and 331,960,672.60

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Solution

The fourth proportional to 403,705,207.60, 605,557,811.40 and 331,960,672.60 is: 497,941,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,705,207.60 : 605,557,811.40 = 331,960,672.60 : x
  2. Step 2: Convert to fraction form
    403,705,207.60/605,557,811.40 = 331,960,672.60/x
  3. Step 3: Cross multiply
    403,705,207.60x = 605,557,811.40 × 331,960,672.60
  4. Step 4: Simplify right side
    403,705,207.60x = 201,021,378,370,527,968
  5. Step 5: Solve for x
    x = 201,021,378,370,527,968/403,705,207.60
  6. Step 6: Final answer
    x = 497,941,008.90

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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.