Home / 3,612,791,140.78-4,985,247,405.64-2,005,313,897.58

Finding the Fourth Proportional to 3,612,791,140.78, 4,985,247,405.64 and 2,005,313,897.58

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Solution

The fourth proportional to 3,612,791,140.78, 4,985,247,405.64 and 2,005,313,897.58 is: 2,767,108,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,791,140.78 : 4,985,247,405.64 = 2,005,313,897.58 : x
  2. Step 2: Convert to fraction form
    3,612,791,140.78/4,985,247,405.64 = 2,005,313,897.58/x
  3. Step 3: Cross multiply
    3,612,791,140.78x = 4,985,247,405.64 × 2,005,313,897.58
  4. Step 4: Simplify right side
    3,612,791,140.78x = 9,996,985,905,404,532,736
  5. Step 5: Solve for x
    x = 9,996,985,905,404,532,736/3,612,791,140.78
  6. Step 6: Final answer
    x = 2,767,108,730.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.