Home / 419,905,035.60-629,857,553.40-147,303,358.80

Finding the Fourth Proportional to 419,905,035.60, 629,857,553.40 and 147,303,358.80

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Solution

The fourth proportional to 419,905,035.60, 629,857,553.40 and 147,303,358.80 is: 220,955,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,035.60 : 629,857,553.40 = 147,303,358.80 : x
  2. Step 2: Convert to fraction form
    419,905,035.60/629,857,553.40 = 147,303,358.80/x
  3. Step 3: Cross multiply
    419,905,035.60x = 629,857,553.40 × 147,303,358.80
  4. Step 4: Simplify right side
    419,905,035.60x = 92,780,133,181,370,368
  5. Step 5: Solve for x
    x = 92,780,133,181,370,368/419,905,035.60
  6. Step 6: Final answer
    x = 220,955,038.20

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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.