Home / 633,456,518.40-950,184,777.60-323,520,127.20

Finding the Fourth Proportional to 633,456,518.40, 950,184,777.60 and 323,520,127.20

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Solution

The fourth proportional to 633,456,518.40, 950,184,777.60 and 323,520,127.20 is: 485,280,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,456,518.40 : 950,184,777.60 = 323,520,127.20 : x
  2. Step 2: Convert to fraction form
    633,456,518.40/950,184,777.60 = 323,520,127.20/x
  3. Step 3: Cross multiply
    633,456,518.40x = 950,184,777.60 × 323,520,127.20
  4. Step 4: Simplify right side
    633,456,518.40x = 307,403,900,112,655,680
  5. Step 5: Solve for x
    x = 307,403,900,112,655,680/633,456,518.40
  6. Step 6: Final answer
    x = 485,280,190.80

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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.