Home / 1,238,167,588.41-1,858,414,984.47-648,381,141.45

Finding the Fourth Proportional to 1,238,167,588.41, 1,858,414,984.47 and 648,381,141.45

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Solution

The fourth proportional to 1,238,167,588.41, 1,858,414,984.47 and 648,381,141.45 is: 973,181,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,167,588.41 : 1,858,414,984.47 = 648,381,141.45 : x
  2. Step 2: Convert to fraction form
    1,238,167,588.41/1,858,414,984.47 = 648,381,141.45/x
  3. Step 3: Cross multiply
    1,238,167,588.41x = 1,858,414,984.47 × 648,381,141.45
  4. Step 4: Simplify right side
    1,238,167,588.41x = 1,204,961,228,918,442,752
  5. Step 5: Solve for x
    x = 1,204,961,228,918,442,752/1,238,167,588.41
  6. Step 6: Final answer
    x = 973,181,046.09

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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.