Home / 13,313,533,748.13-18,372,686,477.58-7,209,933,686.37

Finding the Fourth Proportional to 13,313,533,748.13, 18,372,686,477.58 and 7,209,933,686.37

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Solution

The fourth proportional to 13,313,533,748.13, 18,372,686,477.58 and 7,209,933,686.37 is: 9,949,713,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313,533,748.13 : 18,372,686,477.58 = 7,209,933,686.37 : x
  2. Step 2: Convert to fraction form
    13,313,533,748.13/18,372,686,477.58 = 7,209,933,686.37/x
  3. Step 3: Cross multiply
    13,313,533,748.13x = 18,372,686,477.58 × 7,209,933,686.37
  4. Step 4: Simplify right side
    13,313,533,748.13x = 132,465,851,143,818,625,024
  5. Step 5: Solve for x
    x = 132,465,851,143,818,625,024/13,313,533,748.13
  6. Step 6: Final answer
    x = 9,949,713,851.32

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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.