Home / 389,276,168,115.96-584,082,053,289.18-210,166,592,916.54

Finding the Fourth Proportional to 389,276,168,115.96, 584,082,053,289.18 and 210,166,592,916.54

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Solution

The fourth proportional to 389,276,168,115.96, 584,082,053,289.18 and 210,166,592,916.54 is: 315,340,483,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,276,168,115.96 : 584,082,053,289.18 = 210,166,592,916.54 : x
  2. Step 2: Convert to fraction form
    389,276,168,115.96/584,082,053,289.18 = 210,166,592,916.54/x
  3. Step 3: Cross multiply
    389,276,168,115.96x = 584,082,053,289.18 × 210,166,592,916.54
  4. Step 4: Simplify right side
    389,276,168,115.96x = 122,754,535,123,483,940,093,952
  5. Step 5: Solve for x
    x = 122,754,535,123,483,940,093,952/389,276,168,115.96
  6. Step 6: Final answer
    x = 315,340,483,640.70

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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.