Home / 450,541,438.80-675,812,158.20-143,855,998.80

Finding the Fourth Proportional to 450,541,438.80, 675,812,158.20 and 143,855,998.80

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Solution

The fourth proportional to 450,541,438.80, 675,812,158.20 and 143,855,998.80 is: 215,783,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,541,438.80 : 675,812,158.20 = 143,855,998.80 : x
  2. Step 2: Convert to fraction form
    450,541,438.80/675,812,158.20 = 143,855,998.80/x
  3. Step 3: Cross multiply
    450,541,438.80x = 675,812,158.20 × 143,855,998.80
  4. Step 4: Simplify right side
    450,541,438.80x = 97,219,633,019,044,624
  5. Step 5: Solve for x
    x = 97,219,633,019,044,624/450,541,438.80
  6. Step 6: Final answer
    x = 215,783,998.20

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Double scale
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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.