Home / 895,168,918.20-1,342,934,979.30-281,610,442.20

Finding the Fourth Proportional to 895,168,918.20, 1,342,934,979.30 and 281,610,442.20

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Solution

The fourth proportional to 895,168,918.20, 1,342,934,979.30 and 281,610,442.20 is: 422,472,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,168,918.20 : 1,342,934,979.30 = 281,610,442.20 : x
  2. Step 2: Convert to fraction form
    895,168,918.20/1,342,934,979.30 = 281,610,442.20/x
  3. Step 3: Cross multiply
    895,168,918.20x = 1,342,934,979.30 × 281,610,442.20
  4. Step 4: Simplify right side
    895,168,918.20x = 378,184,513,366,520,832
  5. Step 5: Solve for x
    x = 378,184,513,366,520,832/895,168,918.20
  6. Step 6: Final answer
    x = 422,472,793.32

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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.