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Finding the Fourth Proportional to 1,008,907,806.40, 1,513,361,709.60 and 593,958,673.60

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Solution

The fourth proportional to 1,008,907,806.40, 1,513,361,709.60 and 593,958,673.60 is: 890,938,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,907,806.40 : 1,513,361,709.60 = 593,958,673.60 : x
  2. Step 2: Convert to fraction form
    1,008,907,806.40/1,513,361,709.60 = 593,958,673.60/x
  3. Step 3: Cross multiply
    1,008,907,806.40x = 1,513,361,709.60 × 593,958,673.60
  4. Step 4: Simplify right side
    1,008,907,806.40x = 898,874,313,711,044,352
  5. Step 5: Solve for x
    x = 898,874,313,711,044,352/1,008,907,806.40
  6. Step 6: Final answer
    x = 890,938,010.40

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Double scale
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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.