Home / 1,820,155,498,783.40-2,511,794,577,901.20-985,842,434,456.55

Finding the Fourth Proportional to 1,820,155,498,783.40, 2,511,794,577,901.20 and 985,842,434,456.55

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Solution

The fourth proportional to 1,820,155,498,783.40, 2,511,794,577,901.20 and 985,842,434,456.55 is: 1,360,451,721,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,155,498,783.40 : 2,511,794,577,901.20 = 985,842,434,456.55 : x
  2. Step 2: Convert to fraction form
    1,820,155,498,783.40/2,511,794,577,901.20 = 985,842,434,456.55/x
  3. Step 3: Cross multiply
    1,820,155,498,783.40x = 2,511,794,577,901.20 × 985,842,434,456.55
  4. Step 4: Simplify right side
    1,820,155,498,783.40x = 2,476,233,681,532,881,935,007,744
  5. Step 5: Solve for x
    x = 2,476,233,681,532,881,935,007,744/1,820,155,498,783.40
  6. Step 6: Final answer
    x = 1,360,451,721,398.53

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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.