Home / 538,273,329.75-742,817,494.08-290,754,686.43

Finding the Fourth Proportional to 538,273,329.75, 742,817,494.08 and 290,754,686.43

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Solution

The fourth proportional to 538,273,329.75, 742,817,494.08 and 290,754,686.43 is: 401,241,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,273,329.75 : 742,817,494.08 = 290,754,686.43 : x
  2. Step 2: Convert to fraction form
    538,273,329.75/742,817,494.08 = 290,754,686.43/x
  3. Step 3: Cross multiply
    538,273,329.75x = 742,817,494.08 × 290,754,686.43
  4. Step 4: Simplify right side
    538,273,329.75x = 215,977,667,565,948,800
  5. Step 5: Solve for x
    x = 215,977,667,565,948,800/538,273,329.75
  6. Step 6: Final answer
    x = 401,241,628.80

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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.