Home / 542,777,334.84-812,111,532.50-321,567,483.96

Finding the Fourth Proportional to 542,777,334.84, 812,111,532.50 and 321,567,483.96

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Solution

The fourth proportional to 542,777,334.84, 812,111,532.50 and 321,567,483.96 is: 481,134,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,777,334.84 : 812,111,532.50 = 321,567,483.96 : x
  2. Step 2: Convert to fraction form
    542,777,334.84/812,111,532.50 = 321,567,483.96/x
  3. Step 3: Cross multiply
    542,777,334.84x = 812,111,532.50 × 321,567,483.96
  4. Step 4: Simplify right side
    542,777,334.84x = 261,148,662,200,924,736
  5. Step 5: Solve for x
    x = 261,148,662,200,924,736/542,777,334.84
  6. Step 6: Final answer
    x = 481,134,058.92

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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.