Home / 442,869,611.10-664,304,416.65-328,078,355.10

Finding the Fourth Proportional to 442,869,611.10, 664,304,416.65 and 328,078,355.10

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Solution

The fourth proportional to 442,869,611.10, 664,304,416.65 and 328,078,355.10 is: 492,117,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,869,611.10 : 664,304,416.65 = 328,078,355.10 : x
  2. Step 2: Convert to fraction form
    442,869,611.10/664,304,416.65 = 328,078,355.10/x
  3. Step 3: Cross multiply
    442,869,611.10x = 664,304,416.65 × 328,078,355.10
  4. Step 4: Simplify right side
    442,869,611.10x = 217,943,900,300,197,056
  5. Step 5: Solve for x
    x = 217,943,900,300,197,056/442,869,611.10
  6. Step 6: Final answer
    x = 492,117,532.65

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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.