Home / 12,758,400,496.08-17,606,593,355.40-7,042,686,428.88

Finding the Fourth Proportional to 12,758,400,496.08, 17,606,593,355.40 and 7,042,686,428.88

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Solution

The fourth proportional to 12,758,400,496.08, 17,606,593,355.40 and 7,042,686,428.88 is: 9,718,907,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758,400,496.08 : 17,606,593,355.40 = 7,042,686,428.88 : x
  2. Step 2: Convert to fraction form
    12,758,400,496.08/17,606,593,355.40 = 7,042,686,428.88/x
  3. Step 3: Cross multiply
    12,758,400,496.08x = 17,606,593,355.40 × 7,042,686,428.88
  4. Step 4: Simplify right side
    12,758,400,496.08x = 123,997,716,082,884,378,624
  5. Step 5: Solve for x
    x = 123,997,716,082,884,378,624/12,758,400,496.08
  6. Step 6: Final answer
    x = 9,718,907,642.14

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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.