Home / 648,163,776.47-972,287,442.41-227,933,596.35

Finding the Fourth Proportional to 648,163,776.47, 972,287,442.41 and 227,933,596.35

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Solution

The fourth proportional to 648,163,776.47, 972,287,442.41 and 227,933,596.35 is: 341,915,086.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,163,776.47 : 972,287,442.41 = 227,933,596.35 : x
  2. Step 2: Convert to fraction form
    648,163,776.47/972,287,442.41 = 227,933,596.35/x
  3. Step 3: Cross multiply
    648,163,776.47x = 972,287,442.41 × 227,933,596.35
  4. Step 4: Simplify right side
    648,163,776.47x = 221,616,973,433,315,136
  5. Step 5: Solve for x
    x = 221,616,973,433,315,136/648,163,776.47
  6. Step 6: Final answer
    x = 341,915,086.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.