Home / 3,960,387,886-5,459,874,172.20-3,159,334,230.70

Finding the Fourth Proportional to 3,960,387,886, 5,459,874,172.20 and 3,159,334,230.70

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Solution

The fourth proportional to 3,960,387,886, 5,459,874,172.20 and 3,159,334,230.70 is: 4,355,524,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,387,886 : 5,459,874,172.20 = 3,159,334,230.70 : x
  2. Step 2: Convert to fraction form
    3,960,387,886/5,459,874,172.20 = 3,159,334,230.70/x
  3. Step 3: Cross multiply
    3,960,387,886x = 5,459,874,172.20 × 3,159,334,230.70
  4. Step 4: Simplify right side
    3,960,387,886x = 17,249,567,367,546,284,032
  5. Step 5: Solve for x
    x = 17,249,567,367,546,284,032/3,960,387,886
  6. Step 6: Final answer
    x = 4,355,524,727.39

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1.5x scale

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.