Home / 538,273,209.63-742,817,328.20-290,754,566.31

Finding the Fourth Proportional to 538,273,209.63, 742,817,328.20 and 290,754,566.31

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Solution

The fourth proportional to 538,273,209.63, 742,817,328.20 and 290,754,566.31 is: 401,241,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,273,209.63 : 742,817,328.20 = 290,754,566.31 : x
  2. Step 2: Convert to fraction form
    538,273,209.63/742,817,328.20 = 290,754,566.31/x
  3. Step 3: Cross multiply
    538,273,209.63x = 742,817,328.20 × 290,754,566.31
  4. Step 4: Simplify right side
    538,273,209.63x = 215,977,530,108,343,936
  5. Step 5: Solve for x
    x = 215,977,530,108,343,936/538,273,209.63
  6. Step 6: Final answer
    x = 401,241,462.97

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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.