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Finding the Fourth Proportional to 440,047,363.90, 660,071,045.85 and 440,047,363.90

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Solution

The fourth proportional to 440,047,363.90, 660,071,045.85 and 440,047,363.90 is: 660,071,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,047,363.90 : 660,071,045.85 = 440,047,363.90 : x
  2. Step 2: Convert to fraction form
    440,047,363.90/660,071,045.85 = 440,047,363.90/x
  3. Step 3: Cross multiply
    440,047,363.90x = 660,071,045.85 × 440,047,363.90
  4. Step 4: Simplify right side
    440,047,363.90x = 290,462,523,713,008,512
  5. Step 5: Solve for x
    x = 290,462,523,713,008,512/440,047,363.90
  6. Step 6: Final answer
    x = 660,071,045.85

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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.