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Finding the Fourth Proportional to 904,581,308.55, 1,356,871,962.83 and 904,581,308.55

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Solution

The fourth proportional to 904,581,308.55, 1,356,871,962.83 and 904,581,308.55 is: 1,356,871,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,581,308.55 : 1,356,871,962.83 = 904,581,308.55 : x
  2. Step 2: Convert to fraction form
    904,581,308.55/1,356,871,962.83 = 904,581,308.55/x
  3. Step 3: Cross multiply
    904,581,308.55x = 1,356,871,962.83 × 904,581,308.55
  4. Step 4: Simplify right side
    904,581,308.55x = 1,227,401,015,667,045,376
  5. Step 5: Solve for x
    x = 1,227,401,015,667,045,376/904,581,308.55
  6. Step 6: Final answer
    x = 1,356,871,962.83

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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.