Home / 437,228,371,443.20-655,842,557,164.80-260,763,883,404.80

Finding the Fourth Proportional to 437,228,371,443.20, 655,842,557,164.80 and 260,763,883,404.80

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Solution

The fourth proportional to 437,228,371,443.20, 655,842,557,164.80 and 260,763,883,404.80 is: 391,145,825,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,228,371,443.20 : 655,842,557,164.80 = 260,763,883,404.80 : x
  2. Step 2: Convert to fraction form
    437,228,371,443.20/655,842,557,164.80 = 260,763,883,404.80/x
  3. Step 3: Cross multiply
    437,228,371,443.20x = 655,842,557,164.80 × 260,763,883,404.80
  4. Step 4: Simplify right side
    437,228,371,443.20x = 171,020,052,108,427,774,656,512
  5. Step 5: Solve for x
    x = 171,020,052,108,427,774,656,512/437,228,371,443.20
  6. Step 6: Final answer
    x = 391,145,825,107.20

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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.