Home / 1,447,363,447.54-2,165,566,555.85-857,470,383.72

Finding the Fourth Proportional to 1,447,363,447.54, 2,165,566,555.85 and 857,470,383.72

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Solution

The fourth proportional to 1,447,363,447.54, 2,165,566,555.85 and 857,470,383.72 is: 1,282,959,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,363,447.54 : 2,165,566,555.85 = 857,470,383.72 : x
  2. Step 2: Convert to fraction form
    1,447,363,447.54/2,165,566,555.85 = 857,470,383.72/x
  3. Step 3: Cross multiply
    1,447,363,447.54x = 2,165,566,555.85 × 857,470,383.72
  4. Step 4: Simplify right side
    1,447,363,447.54x = 1,856,909,185,611,610,880
  5. Step 5: Solve for x
    x = 1,856,909,185,611,610,880/1,447,363,447.54
  6. Step 6: Final answer
    x = 1,282,959,845.90

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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.