Home / 18,670,943,973.78-25,765,979,781.42-10,097,370,427.14

Finding the Fourth Proportional to 18,670,943,973.78, 25,765,979,781.42 and 10,097,370,427.14

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Solution

The fourth proportional to 18,670,943,973.78, 25,765,979,781.42 and 10,097,370,427.14 is: 13,934,412,884.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670,943,973.78 : 25,765,979,781.42 = 10,097,370,427.14 : x
  2. Step 2: Convert to fraction form
    18,670,943,973.78/25,765,979,781.42 = 10,097,370,427.14/x
  3. Step 3: Cross multiply
    18,670,943,973.78x = 25,765,979,781.42 × 10,097,370,427.14
  4. Step 4: Simplify right side
    18,670,943,973.78x = 260,168,642,271,197,429,760
  5. Step 5: Solve for x
    x = 260,168,642,271,197,429,760/18,670,943,973.78
  6. Step 6: Final answer
    x = 13,934,412,884.35

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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.