Home / 538,118,802.56-742,603,943.16-290,600,134.94

Finding the Fourth Proportional to 538,118,802.56, 742,603,943.16 and 290,600,134.94

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Solution

The fourth proportional to 538,118,802.56, 742,603,943.16 and 290,600,134.94 is: 401,028,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,118,802.56 : 742,603,943.16 = 290,600,134.94 : x
  2. Step 2: Convert to fraction form
    538,118,802.56/742,603,943.16 = 290,600,134.94/x
  3. Step 3: Cross multiply
    538,118,802.56x = 742,603,943.16 × 290,600,134.94
  4. Step 4: Simplify right side
    538,118,802.56x = 215,800,806,089,272,064
  5. Step 5: Solve for x
    x = 215,800,806,089,272,064/538,118,802.56
  6. Step 6: Final answer
    x = 401,028,183.86

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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.