Home / 605,848,930.35-908,773,362.78-145,787,148.87

Finding the Fourth Proportional to 605,848,930.35, 908,773,362.78 and 145,787,148.87

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Solution

The fourth proportional to 605,848,930.35, 908,773,362.78 and 145,787,148.87 is: 218,680,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,848,930.35 : 908,773,362.78 = 145,787,148.87 : x
  2. Step 2: Convert to fraction form
    605,848,930.35/908,773,362.78 = 145,787,148.87/x
  3. Step 3: Cross multiply
    605,848,930.35x = 908,773,362.78 × 145,787,148.87
  4. Step 4: Simplify right side
    605,848,930.35x = 132,487,477,528,698,384
  5. Step 5: Solve for x
    x = 132,487,477,528,698,384/605,848,930.35
  6. Step 6: Final answer
    x = 218,680,715.43

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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.