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Finding the Fourth Proportional to 996,001,330.20, 1,494,001,995.30 and 698,978,955.30

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Solution

The fourth proportional to 996,001,330.20, 1,494,001,995.30 and 698,978,955.30 is: 1,048,468,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,001,330.20 : 1,494,001,995.30 = 698,978,955.30 : x
  2. Step 2: Convert to fraction form
    996,001,330.20/1,494,001,995.30 = 698,978,955.30/x
  3. Step 3: Cross multiply
    996,001,330.20x = 1,494,001,995.30 × 698,978,955.30
  4. Step 4: Simplify right side
    996,001,330.20x = 1,044,275,953,890,909,440
  5. Step 5: Solve for x
    x = 1,044,275,953,890,909,440/996,001,330.20
  6. Step 6: Final answer
    x = 1,048,468,432.95

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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.