Home / 403,705,205.60-605,557,808.40-331,960,670.60

Finding the Fourth Proportional to 403,705,205.60, 605,557,808.40 and 331,960,670.60

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Solution

The fourth proportional to 403,705,205.60, 605,557,808.40 and 331,960,670.60 is: 497,941,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,705,205.60 : 605,557,808.40 = 331,960,670.60 : x
  2. Step 2: Convert to fraction form
    403,705,205.60/605,557,808.40 = 331,960,670.60/x
  3. Step 3: Cross multiply
    403,705,205.60x = 605,557,808.40 × 331,960,670.60
  4. Step 4: Simplify right side
    403,705,205.60x = 201,021,376,163,530,304
  5. Step 5: Solve for x
    x = 201,021,376,163,530,304/403,705,205.60
  6. Step 6: Final answer
    x = 497,941,005.90

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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.