Home / 538,273,224.19-742,817,348.27-290,754,580.87

Finding the Fourth Proportional to 538,273,224.19, 742,817,348.27 and 290,754,580.87

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Solution

The fourth proportional to 538,273,224.19, 742,817,348.27 and 290,754,580.87 is: 401,241,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,273,224.19 : 742,817,348.27 = 290,754,580.87 : x
  2. Step 2: Convert to fraction form
    538,273,224.19/742,817,348.27 = 290,754,580.87/x
  3. Step 3: Cross multiply
    538,273,224.19x = 742,817,348.27 × 290,754,580.87
  4. Step 4: Simplify right side
    538,273,224.19x = 215,977,546,758,078,528
  5. Step 5: Solve for x
    x = 215,977,546,758,078,528/538,273,224.19
  6. Step 6: Final answer
    x = 401,241,483.05

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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.