Home / 354,294,558.80-531,441,838.20-217,536,491.60

Finding the Fourth Proportional to 354,294,558.80, 531,441,838.20 and 217,536,491.60

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Solution

The fourth proportional to 354,294,558.80, 531,441,838.20 and 217,536,491.60 is: 326,304,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,558.80 : 531,441,838.20 = 217,536,491.60 : x
  2. Step 2: Convert to fraction form
    354,294,558.80/531,441,838.20 = 217,536,491.60/x
  3. Step 3: Cross multiply
    354,294,558.80x = 531,441,838.20 × 217,536,491.60
  4. Step 4: Simplify right side
    354,294,558.80x = 115,607,992,971,482,848
  5. Step 5: Solve for x
    x = 115,607,992,971,482,848/354,294,558.80
  6. Step 6: Final answer
    x = 326,304,737.40

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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.