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Finding the Fourth Proportional to 910,322,579.70, 1,365,483,869.55 and 910,322,579.70

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Solution

The fourth proportional to 910,322,579.70, 1,365,483,869.55 and 910,322,579.70 is: 1,365,483,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,322,579.70 : 1,365,483,869.55 = 910,322,579.70 : x
  2. Step 2: Convert to fraction form
    910,322,579.70/1,365,483,869.55 = 910,322,579.70/x
  3. Step 3: Cross multiply
    910,322,579.70x = 1,365,483,869.55 × 910,322,579.70
  4. Step 4: Simplify right side
    910,322,579.70x = 1,243,030,798,667,494,400
  5. Step 5: Solve for x
    x = 1,243,030,798,667,494,400/910,322,579.70
  6. Step 6: Final answer
    x = 1,365,483,869.55

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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.