Home / 612,380,951.70-918,571,427.55-224,216,445.30

Finding the Fourth Proportional to 612,380,951.70, 918,571,427.55 and 224,216,445.30

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Solution

The fourth proportional to 612,380,951.70, 918,571,427.55 and 224,216,445.30 is: 336,324,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,380,951.70 : 918,571,427.55 = 224,216,445.30 : x
  2. Step 2: Convert to fraction form
    612,380,951.70/918,571,427.55 = 224,216,445.30/x
  3. Step 3: Cross multiply
    612,380,951.70x = 918,571,427.55 × 224,216,445.30
  4. Step 4: Simplify right side
    612,380,951.70x = 205,958,820,239,407,488
  5. Step 5: Solve for x
    x = 205,958,820,239,407,488/612,380,951.70
  6. Step 6: Final answer
    x = 336,324,667.95

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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.