Home / 314,929,511.20-472,394,266.80-283,184,768.80

Finding the Fourth Proportional to 314,929,511.20, 472,394,266.80 and 283,184,768.80

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Solution

The fourth proportional to 314,929,511.20, 472,394,266.80 and 283,184,768.80 is: 424,777,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,511.20 : 472,394,266.80 = 283,184,768.80 : x
  2. Step 2: Convert to fraction form
    314,929,511.20/472,394,266.80 = 283,184,768.80/x
  3. Step 3: Cross multiply
    314,929,511.20x = 472,394,266.80 × 283,184,768.80
  4. Step 4: Simplify right side
    314,929,511.20x = 133,774,861,226,203,520
  5. Step 5: Solve for x
    x = 133,774,861,226,203,520/314,929,511.20
  6. Step 6: Final answer
    x = 424,777,153.20

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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.