Home / 354,294,553.40-531,441,830.10-217,536,486.20

Finding the Fourth Proportional to 354,294,553.40, 531,441,830.10 and 217,536,486.20

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Solution

The fourth proportional to 354,294,553.40, 531,441,830.10 and 217,536,486.20 is: 326,304,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,553.40 : 531,441,830.10 = 217,536,486.20 : x
  2. Step 2: Convert to fraction form
    354,294,553.40/531,441,830.10 = 217,536,486.20/x
  3. Step 3: Cross multiply
    354,294,553.40x = 531,441,830.10 × 217,536,486.20
  4. Step 4: Simplify right side
    354,294,553.40x = 115,607,988,339,651,392
  5. Step 5: Solve for x
    x = 115,607,988,339,651,392/354,294,553.40
  6. Step 6: Final answer
    x = 326,304,729.30

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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.