Home / 512,928,824,459.60-769,399,159,202.04-154,783,899,390.80

Finding the Fourth Proportional to 512,928,824,459.60, 769,399,159,202.04 and 154,783,899,390.80

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Solution

The fourth proportional to 512,928,824,459.60, 769,399,159,202.04 and 154,783,899,390.80 is: 232,177,636,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,928,824,459.60 : 769,399,159,202.04 = 154,783,899,390.80 : x
  2. Step 2: Convert to fraction form
    512,928,824,459.60/769,399,159,202.04 = 154,783,899,390.80/x
  3. Step 3: Cross multiply
    512,928,824,459.60x = 769,399,159,202.04 × 154,783,899,390.80
  4. Step 4: Simplify right side
    512,928,824,459.60x = 119,090,602,049,294,659,747,840
  5. Step 5: Solve for x
    x = 119,090,602,049,294,659,747,840/512,928,824,459.60
  6. Step 6: Final answer
    x = 232,177,636,292.45

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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.