Home / 538,273,301.28-742,817,454.60-290,754,657.96

Finding the Fourth Proportional to 538,273,301.28, 742,817,454.60 and 290,754,657.96

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Solution

The fourth proportional to 538,273,301.28, 742,817,454.60 and 290,754,657.96 is: 401,241,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,273,301.28 : 742,817,454.60 = 290,754,657.96 : x
  2. Step 2: Convert to fraction form
    538,273,301.28/742,817,454.60 = 290,754,657.96/x
  3. Step 3: Cross multiply
    538,273,301.28x = 742,817,454.60 × 290,754,657.96
  4. Step 4: Simplify right side
    538,273,301.28x = 215,977,634,938,940,832
  5. Step 5: Solve for x
    x = 215,977,634,938,940,832/538,273,301.28
  6. Step 6: Final answer
    x = 401,241,589.40

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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.