Home / 12,947,401,154.52-17,867,223,441.80-7,231,768,992.93

Finding the Fourth Proportional to 12,947,401,154.52, 17,867,223,441.80 and 7,231,768,992.93

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Solution

The fourth proportional to 12,947,401,154.52, 17,867,223,441.80 and 7,231,768,992.93 is: 9,979,735,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,401,154.52 : 17,867,223,441.80 = 7,231,768,992.93 : x
  2. Step 2: Convert to fraction form
    12,947,401,154.52/17,867,223,441.80 = 7,231,768,992.93/x
  3. Step 3: Cross multiply
    12,947,401,154.52x = 17,867,223,441.80 × 7,231,768,992.93
  4. Step 4: Simplify right side
    12,947,401,154.52x = 129,211,632,476,125,102,080
  5. Step 5: Solve for x
    x = 129,211,632,476,125,102,080/12,947,401,154.52
  6. Step 6: Final answer
    x = 9,979,735,001.18

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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.