Home / 12,928,827,236.97-17,842,221,811.80-7,502,942,754.07

Finding the Fourth Proportional to 12,928,827,236.97, 17,842,221,811.80 and 7,502,942,754.07

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Solution

The fourth proportional to 12,928,827,236.97, 17,842,221,811.80 and 7,502,942,754.07 is: 10,354,316,474.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928,827,236.97 : 17,842,221,811.80 = 7,502,942,754.07 : x
  2. Step 2: Convert to fraction form
    12,928,827,236.97/17,842,221,811.80 = 7,502,942,754.07/x
  3. Step 3: Cross multiply
    12,928,827,236.97x = 17,842,221,811.80 × 7,502,942,754.07
  4. Step 4: Simplify right side
    12,928,827,236.97x = 133,869,168,859,421,638,656
  5. Step 5: Solve for x
    x = 133,869,168,859,421,638,656/12,928,827,236.97
  6. Step 6: Final answer
    x = 10,354,316,474.79

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Double scale
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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.