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Finding the Fourth Proportional to 528,449,429,138.40, 792,674,143,707.60 and 528,449,429,138.40

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Solution

The fourth proportional to 528,449,429,138.40, 792,674,143,707.60 and 528,449,429,138.40 is: 792,674,143,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,449,429,138.40 : 792,674,143,707.60 = 528,449,429,138.40 : x
  2. Step 2: Convert to fraction form
    528,449,429,138.40/792,674,143,707.60 = 528,449,429,138.40/x
  3. Step 3: Cross multiply
    528,449,429,138.40x = 792,674,143,707.60 × 528,449,429,138.40
  4. Step 4: Simplify right side
    528,449,429,138.40x = 418,888,198,735,051,278,516,224
  5. Step 5: Solve for x
    x = 418,888,198,735,051,278,516,224/528,449,429,138.40
  6. Step 6: Final answer
    x = 792,674,143,707.60

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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.