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Finding the Fourth Proportional to 885,736,000.20, 1,328,604,000.30 and 303,276,664.20

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Solution

The fourth proportional to 885,736,000.20, 1,328,604,000.30 and 303,276,664.20 is: 454,914,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,000.20 : 1,328,604,000.30 = 303,276,664.20 : x
  2. Step 2: Convert to fraction form
    885,736,000.20/1,328,604,000.30 = 303,276,664.20/x
  3. Step 3: Cross multiply
    885,736,000.20x = 1,328,604,000.30 × 303,276,664.20
  4. Step 4: Simplify right side
    885,736,000.20x = 402,934,589,253,759,744
  5. Step 5: Solve for x
    x = 402,934,589,253,759,744/885,736,000.20
  6. Step 6: Final answer
    x = 454,914,996.30

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1.5x scale

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.