Home / 2,135,217,848.84-3,203,309,728.78-1,152,623,299.40

Finding the Fourth Proportional to 2,135,217,848.84, 3,203,309,728.78 and 1,152,623,299.40

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Solution

The fourth proportional to 2,135,217,848.84, 3,203,309,728.78 and 1,152,623,299.40 is: 1,729,195,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,217,848.84 : 3,203,309,728.78 = 1,152,623,299.40 : x
  2. Step 2: Convert to fraction form
    2,135,217,848.84/3,203,309,728.78 = 1,152,623,299.40/x
  3. Step 3: Cross multiply
    2,135,217,848.84x = 3,203,309,728.78 × 1,152,623,299.40
  4. Step 4: Simplify right side
    2,135,217,848.84x = 3,692,209,428,586,523,136
  5. Step 5: Solve for x
    x = 3,692,209,428,586,523,136/2,135,217,848.84
  6. Step 6: Final answer
    x = 1,729,195,655.89

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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.