Home / 12,947,401,153.87-17,867,223,440.89-7,231,768,992.27

Finding the Fourth Proportional to 12,947,401,153.87, 17,867,223,440.89 and 7,231,768,992.27

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Solution

The fourth proportional to 12,947,401,153.87, 17,867,223,440.89 and 7,231,768,992.27 is: 9,979,735,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,401,153.87 : 17,867,223,440.89 = 7,231,768,992.27 : x
  2. Step 2: Convert to fraction form
    12,947,401,153.87/17,867,223,440.89 = 7,231,768,992.27/x
  3. Step 3: Cross multiply
    12,947,401,153.87x = 17,867,223,440.89 × 7,231,768,992.27
  4. Step 4: Simplify right side
    12,947,401,153.87x = 129,211,632,457,881,174,016
  5. Step 5: Solve for x
    x = 129,211,632,457,881,174,016/12,947,401,153.87
  6. Step 6: Final answer
    x = 9,979,735,000.28

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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.