Home / 613,780,622.33-921,252,994.29-379,903,877.73

Finding the Fourth Proportional to 613,780,622.33, 921,252,994.29 and 379,903,877.73

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Solution

The fourth proportional to 613,780,622.33, 921,252,994.29 and 379,903,877.73 is: 570,216,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,780,622.33 : 921,252,994.29 = 379,903,877.73 : x
  2. Step 2: Convert to fraction form
    613,780,622.33/921,252,994.29 = 379,903,877.73/x
  3. Step 3: Cross multiply
    613,780,622.33x = 921,252,994.29 × 379,903,877.73
  4. Step 4: Simplify right side
    613,780,622.33x = 349,987,584,901,144,576
  5. Step 5: Solve for x
    x = 349,987,584,901,144,576/613,780,622.33
  6. Step 6: Final answer
    x = 570,216,087.26

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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.