Home / 13,313,533,749.13-18,372,686,478.96-7,209,933,687.37

Finding the Fourth Proportional to 13,313,533,749.13, 18,372,686,478.96 and 7,209,933,687.37

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Solution

The fourth proportional to 13,313,533,749.13, 18,372,686,478.96 and 7,209,933,687.37 is: 9,949,713,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313,533,749.13 : 18,372,686,478.96 = 7,209,933,687.37 : x
  2. Step 2: Convert to fraction form
    13,313,533,749.13/18,372,686,478.96 = 7,209,933,687.37/x
  3. Step 3: Cross multiply
    13,313,533,749.13x = 18,372,686,478.96 × 7,209,933,687.37
  4. Step 4: Simplify right side
    13,313,533,749.13x = 132,465,851,172,141,006,848
  5. Step 5: Solve for x
    x = 132,465,851,172,141,006,848/13,313,533,749.13
  6. Step 6: Final answer
    x = 9,949,713,852.70

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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.