Home / 18,187,507,130.40-27,285,228,788.40-10,330,683,386.40

Finding the Fourth Proportional to 18,187,507,130.40, 27,285,228,788.40 and 10,330,683,386.40

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Solution

The fourth proportional to 18,187,507,130.40, 27,285,228,788.40 and 10,330,683,386.40 is: 15,498,278,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,507,130.40 : 27,285,228,788.40 = 10,330,683,386.40 : x
  2. Step 2: Convert to fraction form
    18,187,507,130.40/27,285,228,788.40 = 10,330,683,386.40/x
  3. Step 3: Cross multiply
    18,187,507,130.40x = 27,285,228,788.40 × 10,330,683,386.40
  4. Step 4: Simplify right side
    18,187,507,130.40x = 281,875,059,738,446,888,960
  5. Step 5: Solve for x
    x = 281,875,059,738,446,888,960/18,187,507,130.40
  6. Step 6: Final answer
    x = 15,498,278,995.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.