Home / 490,088,683.90-735,133,025.85-379,123,803.10

Finding the Fourth Proportional to 490,088,683.90, 735,133,025.85 and 379,123,803.10

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Solution

The fourth proportional to 490,088,683.90, 735,133,025.85 and 379,123,803.10 is: 568,685,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,088,683.90 : 735,133,025.85 = 379,123,803.10 : x
  2. Step 2: Convert to fraction form
    490,088,683.90/735,133,025.85 = 379,123,803.10/x
  3. Step 3: Cross multiply
    490,088,683.90x = 735,133,025.85 × 379,123,803.10
  4. Step 4: Simplify right side
    490,088,683.90x = 278,706,428,544,662,624
  5. Step 5: Solve for x
    x = 278,706,428,544,662,624/490,088,683.90
  6. Step 6: Final answer
    x = 568,685,704.65

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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.