Home / 1,008,907,806.60-1,513,361,709.90-619,467,841.80

Finding the Fourth Proportional to 1,008,907,806.60, 1,513,361,709.90 and 619,467,841.80

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Solution

The fourth proportional to 1,008,907,806.60, 1,513,361,709.90 and 619,467,841.80 is: 929,201,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,907,806.60 : 1,513,361,709.90 = 619,467,841.80 : x
  2. Step 2: Convert to fraction form
    1,008,907,806.60/1,513,361,709.90 = 619,467,841.80/x
  3. Step 3: Cross multiply
    1,008,907,806.60x = 1,513,361,709.90 × 619,467,841.80
  4. Step 4: Simplify right side
    1,008,907,806.60x = 937,478,912,294,510,720
  5. Step 5: Solve for x
    x = 937,478,912,294,510,720/1,008,907,806.60
  6. Step 6: Final answer
    x = 929,201,762.70

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Half scale
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Double scale
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Similar ratio
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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.