Home / 442,912,145.20-664,368,217.80-184,631,819.20

Finding the Fourth Proportional to 442,912,145.20, 664,368,217.80 and 184,631,819.20

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Solution

The fourth proportional to 442,912,145.20, 664,368,217.80 and 184,631,819.20 is: 276,947,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,912,145.20 : 664,368,217.80 = 184,631,819.20 : x
  2. Step 2: Convert to fraction form
    442,912,145.20/664,368,217.80 = 184,631,819.20/x
  3. Step 3: Cross multiply
    442,912,145.20x = 664,368,217.80 × 184,631,819.20
  4. Step 4: Simplify right side
    442,912,145.20x = 122,663,512,671,075,808
  5. Step 5: Solve for x
    x = 122,663,512,671,075,808/442,912,145.20
  6. Step 6: Final answer
    x = 276,947,728.80

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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.