Home / 483,280,882.40-724,921,323.60-299,614,872.80

Finding the Fourth Proportional to 483,280,882.40, 724,921,323.60 and 299,614,872.80

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Solution

The fourth proportional to 483,280,882.40, 724,921,323.60 and 299,614,872.80 is: 449,422,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,280,882.40 : 724,921,323.60 = 299,614,872.80 : x
  2. Step 2: Convert to fraction form
    483,280,882.40/724,921,323.60 = 299,614,872.80/x
  3. Step 3: Cross multiply
    483,280,882.40x = 724,921,323.60 × 299,614,872.80
  4. Step 4: Simplify right side
    483,280,882.40x = 217,197,210,160,421,664
  5. Step 5: Solve for x
    x = 217,197,210,160,421,664/483,280,882.40
  6. Step 6: Final answer
    x = 449,422,309.20

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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.