Home / 1,383,712,858.22-1,909,523,667.75-757,181,361.74

Finding the Fourth Proportional to 1,383,712,858.22, 1,909,523,667.75 and 757,181,361.74

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Solution

The fourth proportional to 1,383,712,858.22, 1,909,523,667.75 and 757,181,361.74 is: 1,044,910,237.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,712,858.22 : 1,909,523,667.75 = 757,181,361.74 : x
  2. Step 2: Convert to fraction form
    1,383,712,858.22/1,909,523,667.75 = 757,181,361.74/x
  3. Step 3: Cross multiply
    1,383,712,858.22x = 1,909,523,667.75 × 757,181,361.74
  4. Step 4: Simplify right side
    1,383,712,858.22x = 1,445,855,731,021,704,448
  5. Step 5: Solve for x
    x = 1,445,855,731,021,704,448/1,383,712,858.22
  6. Step 6: Final answer
    x = 1,044,910,237.29

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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.