Home / 13,271,092,237.92-18,313,372,258.56-7,248,398,499.84

Finding the Fourth Proportional to 13,271,092,237.92, 18,313,372,258.56 and 7,248,398,499.84

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Solution

The fourth proportional to 13,271,092,237.92, 18,313,372,258.56 and 7,248,398,499.84 is: 10,002,388,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271,092,237.92 : 18,313,372,258.56 = 7,248,398,499.84 : x
  2. Step 2: Convert to fraction form
    13,271,092,237.92/18,313,372,258.56 = 7,248,398,499.84/x
  3. Step 3: Cross multiply
    13,271,092,237.92x = 18,313,372,258.56 × 7,248,398,499.84
  4. Step 4: Simplify right side
    13,271,092,237.92x = 132,742,620,005,957,795,840
  5. Step 5: Solve for x
    x = 132,742,620,005,957,795,840/13,271,092,237.92
  6. Step 6: Final answer
    x = 10,002,388,471.59

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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.