Home / 323,768,355.60-485,652,533.40-220,456,225.20

Finding the Fourth Proportional to 323,768,355.60, 485,652,533.40 and 220,456,225.20

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Solution

The fourth proportional to 323,768,355.60, 485,652,533.40 and 220,456,225.20 is: 330,684,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,768,355.60 : 485,652,533.40 = 220,456,225.20 : x
  2. Step 2: Convert to fraction form
    323,768,355.60/485,652,533.40 = 220,456,225.20/x
  3. Step 3: Cross multiply
    323,768,355.60x = 485,652,533.40 × 220,456,225.20
  4. Step 4: Simplify right side
    323,768,355.60x = 107,065,124,272,180,912
  5. Step 5: Solve for x
    x = 107,065,124,272,180,912/323,768,355.60
  6. Step 6: Final answer
    x = 330,684,337.80

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1.5x scale

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.