Home / 420,167,304.43-627,526,840.38-380,696,697.23

Finding the Fourth Proportional to 420,167,304.43, 627,526,840.38 and 380,696,697.23

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Solution

The fourth proportional to 420,167,304.43, 627,526,840.38 and 380,696,697.23 is: 568,576,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,167,304.43 : 627,526,840.38 = 380,696,697.23 : x
  2. Step 2: Convert to fraction form
    420,167,304.43/627,526,840.38 = 380,696,697.23/x
  3. Step 3: Cross multiply
    420,167,304.43x = 627,526,840.38 × 380,696,697.23
  4. Step 4: Simplify right side
    420,167,304.43x = 238,897,395,552,877,088
  5. Step 5: Solve for x
    x = 238,897,395,552,877,088/420,167,304.43
  6. Step 6: Final answer
    x = 568,576,833.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.