Home / 509,980,304.40-764,970,456.60-164,968,807.20

Finding the Fourth Proportional to 509,980,304.40, 764,970,456.60 and 164,968,807.20

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Solution

The fourth proportional to 509,980,304.40, 764,970,456.60 and 164,968,807.20 is: 247,453,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,980,304.40 : 764,970,456.60 = 164,968,807.20 : x
  2. Step 2: Convert to fraction form
    509,980,304.40/764,970,456.60 = 164,968,807.20/x
  3. Step 3: Cross multiply
    509,980,304.40x = 764,970,456.60 × 164,968,807.20
  4. Step 4: Simplify right side
    509,980,304.40x = 126,196,263,768,541,360
  5. Step 5: Solve for x
    x = 126,196,263,768,541,360/509,980,304.40
  6. Step 6: Final answer
    x = 247,453,210.80

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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.