Home / 12,947,401,154.77-17,867,223,442.14-7,231,768,993.18

Finding the Fourth Proportional to 12,947,401,154.77, 17,867,223,442.14 and 7,231,768,993.18

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Solution

The fourth proportional to 12,947,401,154.77, 17,867,223,442.14 and 7,231,768,993.18 is: 9,979,735,001.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,401,154.77 : 17,867,223,442.14 = 7,231,768,993.18 : x
  2. Step 2: Convert to fraction form
    12,947,401,154.77/17,867,223,442.14 = 7,231,768,993.18/x
  3. Step 3: Cross multiply
    12,947,401,154.77x = 17,867,223,442.14 × 7,231,768,993.18
  4. Step 4: Simplify right side
    12,947,401,154.77x = 129,211,632,483,086,876,672
  5. Step 5: Solve for x
    x = 129,211,632,483,086,876,672/12,947,401,154.77
  6. Step 6: Final answer
    x = 9,979,735,001.53

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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.