Home / 1,410,242,022.30-2,115,363,033.45-858,432,179.10

Finding the Fourth Proportional to 1,410,242,022.30, 2,115,363,033.45 and 858,432,179.10

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Solution

The fourth proportional to 1,410,242,022.30, 2,115,363,033.45 and 858,432,179.10 is: 1,287,648,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,242,022.30 : 2,115,363,033.45 = 858,432,179.10 : x
  2. Step 2: Convert to fraction form
    1,410,242,022.30/2,115,363,033.45 = 858,432,179.10/x
  3. Step 3: Cross multiply
    1,410,242,022.30x = 2,115,363,033.45 × 858,432,179.10
  4. Step 4: Simplify right side
    1,410,242,022.30x = 1,815,895,698,392,069,888
  5. Step 5: Solve for x
    x = 1,815,895,698,392,069,888/1,410,242,022.30
  6. Step 6: Final answer
    x = 1,287,648,268.65

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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.