Home / 3,097,345,887.90-4,274,337,940.38-1,687,649,850.72

Finding the Fourth Proportional to 3,097,345,887.90, 4,274,337,940.38 and 1,687,649,850.72

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Solution

The fourth proportional to 3,097,345,887.90, 4,274,337,940.38 and 1,687,649,850.72 is: 2,328,957,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097,345,887.90 : 4,274,337,940.38 = 1,687,649,850.72 : x
  2. Step 2: Convert to fraction form
    3,097,345,887.90/4,274,337,940.38 = 1,687,649,850.72/x
  3. Step 3: Cross multiply
    3,097,345,887.90x = 4,274,337,940.38 × 1,687,649,850.72
  4. Step 4: Simplify right side
    3,097,345,887.90x = 7,213,585,787,009,139,712
  5. Step 5: Solve for x
    x = 7,213,585,787,009,139,712/3,097,345,887.90
  6. Step 6: Final answer
    x = 2,328,957,129.13

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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.