Home / 476,098,512.80-714,147,769.20-131,105,386.40

Finding the Fourth Proportional to 476,098,512.80, 714,147,769.20 and 131,105,386.40

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Solution

The fourth proportional to 476,098,512.80, 714,147,769.20 and 131,105,386.40 is: 196,658,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,098,512.80 : 714,147,769.20 = 131,105,386.40 : x
  2. Step 2: Convert to fraction form
    476,098,512.80/714,147,769.20 = 131,105,386.40/x
  3. Step 3: Cross multiply
    476,098,512.80x = 714,147,769.20 × 131,105,386.40
  4. Step 4: Simplify right side
    476,098,512.80x = 93,628,619,227,664,032
  5. Step 5: Solve for x
    x = 93,628,619,227,664,032/476,098,512.80
  6. Step 6: Final answer
    x = 196,658,079.60

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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.