Home / 323,047,190.40-484,570,785.60-288,111,177.60

Finding the Fourth Proportional to 323,047,190.40, 484,570,785.60 and 288,111,177.60

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Solution

The fourth proportional to 323,047,190.40, 484,570,785.60 and 288,111,177.60 is: 432,166,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,047,190.40 : 484,570,785.60 = 288,111,177.60 : x
  2. Step 2: Convert to fraction form
    323,047,190.40/484,570,785.60 = 288,111,177.60/x
  3. Step 3: Cross multiply
    323,047,190.40x = 484,570,785.60 × 288,111,177.60
  4. Step 4: Simplify right side
    323,047,190.40x = 139,610,259,669,773,136
  5. Step 5: Solve for x
    x = 139,610,259,669,773,136/323,047,190.40
  6. Step 6: Final answer
    x = 432,166,766.40

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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.