Home / 538,273,200.12-742,817,315.06-290,754,556.80

Finding the Fourth Proportional to 538,273,200.12, 742,817,315.06 and 290,754,556.80

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Solution

The fourth proportional to 538,273,200.12, 742,817,315.06 and 290,754,556.80 is: 401,241,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,273,200.12 : 742,817,315.06 = 290,754,556.80 : x
  2. Step 2: Convert to fraction form
    538,273,200.12/742,817,315.06 = 290,754,556.80/x
  3. Step 3: Cross multiply
    538,273,200.12x = 742,817,315.06 × 290,754,556.80
  4. Step 4: Simplify right side
    538,273,200.12x = 215,977,519,223,636,256
  5. Step 5: Solve for x
    x = 215,977,519,223,636,256/538,273,200.12
  6. Step 6: Final answer
    x = 401,241,449.84

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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.