Home / 509,964,504.40-764,946,756.60-164,953,007.20

Finding the Fourth Proportional to 509,964,504.40, 764,946,756.60 and 164,953,007.20

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Solution

The fourth proportional to 509,964,504.40, 764,946,756.60 and 164,953,007.20 is: 247,429,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,964,504.40 : 764,946,756.60 = 164,953,007.20 : x
  2. Step 2: Convert to fraction form
    509,964,504.40/764,946,756.60 = 164,953,007.20/x
  3. Step 3: Cross multiply
    509,964,504.40x = 764,946,756.60 × 164,953,007.20
  4. Step 4: Simplify right side
    509,964,504.40x = 126,180,267,849,056,448
  5. Step 5: Solve for x
    x = 126,180,267,849,056,448/509,964,504.40
  6. Step 6: Final answer
    x = 247,429,510.80

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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.