Home / 1,428,655,015,846.90-1,970,219,612,565.80-1,042,667,972,027.30

Finding the Fourth Proportional to 1,428,655,015,846.90, 1,970,219,612,565.80 and 1,042,667,972,027.30

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Solution

The fourth proportional to 1,428,655,015,846.90, 1,970,219,612,565.80 and 1,042,667,972,027.30 is: 1,437,915,287,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,655,015,846.90 : 1,970,219,612,565.80 = 1,042,667,972,027.30 : x
  2. Step 2: Convert to fraction form
    1,428,655,015,846.90/1,970,219,612,565.80 = 1,042,667,972,027.30/x
  3. Step 3: Cross multiply
    1,428,655,015,846.90x = 1,970,219,612,565.80 × 1,042,667,972,027.30
  4. Step 4: Simplify right side
    1,428,655,015,846.90x = 2,054,284,887,882,395,553,890,304
  5. Step 5: Solve for x
    x = 2,054,284,887,882,395,553,890,304/1,428,655,015,846.90
  6. Step 6: Final answer
    x = 1,437,915,287,522.81

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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.