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Finding the Fourth Proportional to 884,736,000.90, 1,327,104,001.35 and 809,489,204.10

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Solution

The fourth proportional to 884,736,000.90, 1,327,104,001.35 and 809,489,204.10 is: 1,214,233,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,736,000.90 : 1,327,104,001.35 = 809,489,204.10 : x
  2. Step 2: Convert to fraction form
    884,736,000.90/1,327,104,001.35 = 809,489,204.10/x
  3. Step 3: Cross multiply
    884,736,000.90x = 1,327,104,001.35 × 809,489,204.10
  4. Step 4: Simplify right side
    884,736,000.90x = 1,074,276,361,810,736,768
  5. Step 5: Solve for x
    x = 1,074,276,361,810,736,768/884,736,000.90
  6. Step 6: Final answer
    x = 1,214,233,806.15

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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.