Home / 538,255,417.47-742,792,760.78-290,736,771.27

Finding the Fourth Proportional to 538,255,417.47, 742,792,760.78 and 290,736,771.27

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Solution

The fourth proportional to 538,255,417.47, 742,792,760.78 and 290,736,771.27 is: 401,216,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,255,417.47 : 742,792,760.78 = 290,736,771.27 : x
  2. Step 2: Convert to fraction form
    538,255,417.47/742,792,760.78 = 290,736,771.27/x
  3. Step 3: Cross multiply
    538,255,417.47x = 742,792,760.78 × 290,736,771.27
  4. Step 4: Simplify right side
    538,255,417.47x = 215,957,168,990,452,992
  5. Step 5: Solve for x
    x = 215,957,168,990,452,992/538,255,417.47
  6. Step 6: Final answer
    x = 401,216,898.11

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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.